Thanks. I think I can answer "No" to most of your questions, perhaps all of them. Here's an Etresoft printout. (I've migrated this system across a number of Macs over the years.)
EtreCheck version: 1.9.12 (48)
Report generated 16 July 2014 09:16:23 BST
Hardware Information:
iMac (27-inch, Late 2012) (Verified)
iMac - model: iMac13,2
1 3.2 GHz Intel Core i5 CPU: 4 cores
32 GB RAM
Video Information:
NVIDIA GeForce GTX 680MX - VRAM: 2048 MB
iMac 2560 x 1440
System Software:
OS X 10.9.4 (13E28) - Uptime: 0 days 2:39:19
Disk Information:
APPLE HDD ST3000DM001 disk1 : (3 TB)
EFI (disk1s1) <not mounted>: 209.7 MB
disk1s2 (disk1s2) <not mounted>: 3 TB
Recovery HD (disk1s3) <not mounted>: 650 MB
APPLE SSD SM128E disk0 : (121.33 GB)
EFI (disk0s1) <not mounted>: 209.7 MB
disk0s2 (disk0s2) <not mounted>: 120.99 GB
Boot OS X (disk0s3) <not mounted>: 134.2 MB
LaCie 2big v2 THB USB3 Raid 1 disk3 : (6 TB)
EFI (disk3s1) <not mounted>: 209.7 MB
Lacie1 (disk3s2) /Volumes/Lacie1: 6 TB (3.82 TB free)
MARVELL VIRTUALL
USB Information:
Apple Inc. FaceTime HD Camera (Built-in)
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information:
Apple Inc. thunderbolt_bus
LaCie 2big TBT2 USB3
Gatekeeper:
Mac App Store and identified developers
Kernel Extensions:
[not loaded] com.GenesysLogic.driver.GLLUD (8.8.8 - SDK 10.6) Support
[not loaded] com.LaCie.ScsiType00 (1.5.1 - SDK 10.5) Support
Startup Items:
ProTec6b: Path: /Library/StartupItems/ProTec6b
Launch Daemons:
[loaded] com.adobe.fpsaud.plist Support
[loaded] com.lacie.LaCieDesktopManagerDaemon.plist Support
[loaded] com.oracle.java.Helper-Tool.plist Support
[loaded] com.prosofteng.KXInstaller.plist Support
Launch Agents:
[not loaded] com.adobe.AAM.Updater-1.0.plist Support
[failed] com.canon.MFManager.plist Support
[running] com.epson.Epson_Low_Ink_Reminder.launcher.plist Support
[running] com.epson.eventmanager.agent.plist Support
[running] com.lacie.LaCieDesktopManagerAgent.plist Support
[loaded] com.oracle.java.Java-Updater.plist Support
User Launch Agents:
[loaded] com.google.keystone.agent.plist Support
User Login Items:
None
Internet Plug-ins:
FlashPlayer-10.6: Version: 14.0.0.145 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
Flash Player: Version: 14.0.0.145 - SDK 10.6 Support
Default Browser: Version: 537 - SDK 10.9
OfficeLiveBrowserPlugin: Version: 12.3.6 Support
Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
JavaAppletPlugin: Version: Java 7 Update 60 Check version
Audio Plug-ins:
BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
AirPlay: Version: 2.0 - SDK 10.9
AppleAVBAudio: Version: 203.2 - SDK 10.9
iSightAudio: Version: 7.7.3 - SDK 10.9
iTunes Plug-ins:
Quartz Composer Visualizer: Version: 1.4 - SDK 10.9
3rd Party Preference Panes:
Flash Player Support
Java Support
Time Machine:
Mobile backups: OFF
Auto backup: YES
Volumes being backed up:
Destinations:
Data [Network] (Last used)
Total size: 3
Total number of backups: 37
Oldest backup: 2014-06-07 06:54:16 +0000
Last backup: 2014-07-16 07:44:28 +0000
Size of backup disk: Excellent
Backup size 3 > (Disk size 0 B X 3)
Time Machine details may not be accurate.
All volumes being backed up may not be listed.
Top Processes by CPU:
3% PluginProcess
2% WindowServer
1% fontd
0% Finder
0% LDM
Top Processes by Memory:
4.90 GB Aperture
459 MB WindowServer
197 MB Finder
197 MB PluginProcess
197 MB mds_stores
Virtual Memory Information:
17.06 GB Free RAM
10.02 GB Active RAM
3.05 GB Inactive RAM
1.87 GB Wired RAM
445 MB Page-ins
0 B Page-outs