I too am having the same problem. Here is my activity report.
Active Memory: 3.45 GB
Free Memory: 1.68 GB
Wired Memory: 1.09 GB
Used Memory: 6.32 GB
Inactive Memory: 1.78 GB
Total VM: 297.30 GB
Number of processes: 132
PID Process Name User CPU Real Mem Virtual Mem
0 kernel_task root 4.1 636.4 MB 6.67 GB
1 launchd root 0.0 3.3 MB 2.36 GB
11 UserEventAgent root 0.0 4.5 MB 2.37 GB
12 kextd root 0.0 5.4 MB 2.35 GB
13 taskgated root 0.0 4.5 MB 2.37 GB
14 notifyd root 0.0 1.7 MB 2.36 GB
15 securityd root 0.0 9.2 MB 2.37 GB
16 powerd root 0.0 2.1 MB 2.37 GB
17 configd root 0.0 5.0 MB 2.36 GB
18 syslogd root 0.0 1.4 MB 2.36 GB
19 distnoted root 0.0 2.1 MB 2.37 GB
20 diskarbitrationd root 0.0 1.8 MB 2.35 GB
22 cfprefsd root 0.0 1.7 MB 2.35 GB
23 opendirectoryd root 0.0 11.0 MB 2.38 GB
26 warmd nobody 0.0 6.4 MB 2.35 GB
27 usbmuxd _usbmuxd 0.0 2.7 MB 2.36 GB
30 stackshot root 0.0 1.3 MB 2.35 GB
31 SleepServicesD root 0.0 1.6 MB 2.35 GB
33 revisiond root 0.0 34.9 MB 2.40 GB
38 mtmfs root 0.0 4.6 MB 2.39 GB
39 mtmd root 0.0 5.1 MB 2.37 GB
40 mds root 12.5 626.5 MB 3.56 GB
41 mDNSResponder _mdnsrespo 0.0 3.6 MB 2.36 GB
44 loginwindow happythree 0.1 23.6 MB 2.51 GB
45 locationd _locationd 0.0 7.7 MB 2.37 GB
46 KernelEventAgent root 0.0 1.0 MB 2.33 GB
47 kdc root 0.0 3.1 MB 2.35 GB
49 hidd root 0.6 3.2 MB 2.35 GB
50 fseventsd root 0.1 7.7 MB 2.39 GB
52 dynamic_pager root 0.0 784 KB 2.32 GB
55 appleeventsd _eppc 0.0 3.1 MB 2.37 GB
58 blued root 0.0 4.1 MB 2.37 GB
60 autofsd root 0.0 1.9 MB 2.35 GB
62 vpnagentd root 0.0 3.5 MB 620.5 MB
65 coreservicesd root 0.0 59.2 MB 2.46 GB
76 netbiosd _netbios 0.0 2.4 MB 2.36 GB
90 networkd _networkd 0.0 1.3 MB 2.35 GB
91 WindowServer _windowser 24.1 185.6 MB 3.27 GB
95 ntpd root 0.0 1.4 MB 2.35 GB
97 cupsd root 0.0 4.0 MB 2.36 GB
99 SystemStarter root 0.0 1.1 MB 2.35 GB
103 aosnotifyd root 0.0 5.3 MB 2.37 GB
110 sudo root 0.0 712 KB 2.32 GB
111 HWPortCfg root 0.0 1.6 MB 613.3 MB
119 HWNetCfg root 0.0 1.6 MB 616.4 MB
120 CVMServer root 0.0 1.3 MB 2.40 GB
122 launchd _windowser 0.0 864 KB 2.36 GB
125 cfprefsd _windowser 0.0 1.0 MB 2.35 GB
140 coreaudiod _coreaudio 0.0 8.3 MB 2.36 GB
141 logind root 0.0 1.8 MB 2.35 GB
146 launchd happythree 0.0 1.4 MB 2.36 GB
148 cfprefsd happythree 0.0 13.1 MB 2.36 GB
150 UserEventAgent happythree 0.2 10.5 MB 2.39 GB
151 distnoted happythree 0.2 4.3 MB 2.37 GB
157 pboard happythree 0.0 948 KB 2.32 GB
160 tccd happythree 0.0 4.1 MB 2.37 GB
164 Stickies happythree 0.0 18.5 MB 2.43 GB
165 Adobe Acrobat Pro happythree 0.0 28 KB 576.5 MB
168 talagent happythree 0.1 8.2 MB 2.39 GB
169 Dock happythree 1.5 56.4 MB 2.50 GB
170 SystemUIServer happythree 0.6 32.2 MB 2.55 GB
171 Finder happythree 0.2 78.9 MB 2.90 GB
175 usernoted happythree 0.0 4.0 MB 2.37 GB
176 NetworkBrowserAgent happythree 0.0 3.5 MB 2.35 GB
177 filecoordinationd root 0.0 4.1 MB 2.36 GB
178 fontd happythree 0.0 18.6 MB 2.41 GB
181 CalendarAgent happythree 0.0 42.7 MB 2.40 GB
182 apsd root 0.0 8.3 MB 2.37 GB
189 lsboxd happythree 0.0 4.7 MB 2.37 GB
191 coresymbolicationd root 0.0 1.8 MB 2.35 GB
195 Notification Center happythree 0.1 15.3 MB 2.42 GB
199 imagent happythree 0.0 5.2 MB 2.37 GB
200 helpd happythree 0.0 2.2 MB 2.37 GB
202 AppleIDAuthAgent happythree 0.0 2.1 MB 2.35 GB
205 AirPort Base Station Agen happythree 0.0 2.0 MB 2.35 GB
213 pbs happythree 0.0 4.0 MB 2.35 GB
214 accountsd happythree 0.0 5.4 MB 2.37 GB
218 EyeTV Helper happythree 0.0 8.0 MB 2.39 GB
221 Dropbox happythree 0.2 43.1 MB 795.1 MB
223 AAM Updates Notifier happythree 0.0 12.5 MB 710.3 MB
224 AppleSpell.service happythree 0.0 9.7 MB 2.38 GB
225 xpcd happythree 0.0 7.6 MB 2.37 GB
227 com.apple.dock.extra happythree 0.0 20.1 MB 2.41 GB
229 launchd nobody 0.0 832 KB 2.35 GB
232 cfprefsd nobody 0.0 1.0 MB 2.35 GB
249 dbfseventsd root 0.0 416 KB 582.7 MB
250 dbfseventsd root 0.0 4.3 MB 590.7 MB
251 dbfseventsd happythree 0.0 172 KB 582.7 MB
253 Image Capture Extension happythree 0.0 9.5 MB 2.40 GB
257 launchd _spotlight 0.0 844 KB 2.36 GB
260 distnoted _spotlight 0.0 1.6 MB 2.37 GB
261 cfprefsd _spotlight 0.0 1.1 MB 2.35 GB
280 librariand happythree 0.0 8.9 MB 2.38 GB
281 ubd happythree 0.0 13.4 MB 2.38 GB
312 syspolicyd root 0.0 3.5 MB 2.35 GB
317 ScopedBookmarkAgent happythree 0.0 4.6 MB 2.37 GB
403 xpcd _coreaudio 0.0 4.5 MB 2.35 GB
405 com.apple.audio.SandboxHe _coreaudio 0.0 4.4 MB 2.35 GB
410 xpcd _spotlight 0.0 5.2 MB 2.35 GB
479 WebKitPluginAgent happythree 0.0 1,004 KB 2.35 GB
517 Mail happythree 0.2 250.0 MB 3.76 GB
560 iBooks Author happythree 10.0 558.5 MB 1.96 GB
583 cookied happythree 0.0 4.4 MB 2.35 GB
593 Microsoft Word happythree 0.4 93.2 MB 991.3 MB
604 Microsoft AU Daemon happythree 0.0 3.5 MB 655.8 MB
631 printtool happythree 0.0 2.7 MB 2.35 GB
642 Dashboard happythree 4.5 27.3 MB 3.45 GB
643 Dashboard happythree 0.2 24.0 MB 718.4 MB
644 Dashboard happythree 1.3 19.8 MB 711.9 MB
645 Dashboard happythree 0.1 15.1 MB 693.4 MB
649 iTunes happythree 0.3 140.0 MB 3.62 GB
665 iTunes Helper happythree 0.0 3.8 MB 2.37 GB
691 Microsoft Word happythree 0.7 191.9 MB 965.3 MB
697 Microsoft Database Daemon happythree 0.1 11.2 MB 719.4 MB
707 ocspd root 0.0 3.9 MB 2.37 GB
708 com.apple.iCloudHelper happythree 0.0 6.0 MB 2.37 GB
717 CVMCompiler happythree 0.0 28.4 MB 2.39 GB
774 mdworker happythree 74.0 74.4 MB 2.44 GB
787 mdwrite happythree 0.0 3.4 MB 2.37 GB
795 Safari happythree 0.1 98.3 MB 3.54 GB
797 Safari Web Content happythree 0.2 94.2 MB 3.59 GB
809 com.apple.audio.SandboxHe happythree 0.0 4.3 MB 2.35 GB
810 com.apple.audio.Component happythree 0.0 4.7 MB 2.36 GB
814 mdworker happythree 1.0 17.6 MB 2.37 GB
815 ProTranscoderTool happythree 204.2 193.6 MB 1.04 GB
816 mdworker32 happythree 2.2 12.5 MB 692.4 MB
827 syncdefaultsd happythree 0.0 15.5 MB 2.37 GB
828 Quick Look Helper happythree 0.0 10.7 MB 2.88 GB
829 QuickLookSatellite-genera happythree 0.0 40.5 MB 3.46 GB
830 Activity Monitor happythree 5.3 24.8 MB 2.50 GB
832 activitymonitord root 1.1 1.8 MB 2.33 GB
835 mdworker happythree 0.0 6.6 MB 2.37 GB