Here's the Console log from 15 seconds prior to the hour until 15 seconds after the hour, but I don't know what I'm looking at. Do you see anything?
6/25/11 6:59:43 PM com.apple.launchd[1] (com.memeo.Memeod) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:45 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist[711]) Job appears to have crashed: Bus error
6/25/11 6:59:45 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:45 PM ReportCrash[703] Saved crash report for Seagate Storage Gauge[711] version 1.0 (26302) to /Users/bill/Library/Logs/DiagnosticReports/Seagate Storage Gauge_2011-06-25-185945_Bills-new-iMac.crash
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[712]) posix_spawn("/Library/TechTracker/TTEngine.app/Contents/MacOS/TTEngine", ...): No such file or directory
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[713]) Bug: launchd_core_logic.c:4139 (24498):13
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[712]) Exited with exit code: 1
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[713]) posix_spawn("/Applications/Akamai/loader.pl", ...): No such file or directory
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[713]) Exited with exit code: 1
6/25/11 6:59:48 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:53 PM com.apple.launchd[1] (com.memeo.Memeod[714]) posix_spawn("/Library/Application Support/Memeo/Memeo Backup/Daemons/Memeod", ...): No such file or directory
6/25/11 6:59:53 PM com.apple.launchd[1] (com.memeo.Memeod[714]) Exited with exit code: 1
6/25/11 6:59:53 PM com.apple.launchd[1] (com.memeo.Memeod) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:55 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist[715]) Job appears to have crashed: Bus error
6/25/11 6:59:55 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:56 PM ReportCrash[703] Saved crash report for Seagate Storage Gauge[715] version 1.0 (26302) to /Users/bill/Library/Logs/DiagnosticReports/Seagate Storage Gauge_2011-06-25-185956_Bills-new-iMac.crash
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[717]) Bug: launchd_core_logic.c:4139 (24498):13
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[716]) posix_spawn("/Library/TechTracker/TTEngine.app/Contents/MacOS/TTEngine", ...): No such file or directory
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[717]) posix_spawn("/Applications/Akamai/loader.pl", ...): No such file or directory
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[716]) Exited with exit code: 1
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine) Throttling respawn: Will start in 10 seconds
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[717]) Exited with exit code: 1
6/25/11 6:59:58 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:04 PM com.apple.launchd[1] (com.memeo.Memeod[718]) posix_spawn("/Library/Application Support/Memeo/Memeo Backup/Daemons/Memeod", ...): No such file or directory
6/25/11 7:00:04 PM com.apple.launchd[1] (com.memeo.Memeod[718]) Exited with exit code: 1
6/25/11 7:00:04 PM com.apple.launchd[1] (com.memeo.Memeod) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:06 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist[719]) Job appears to have crashed: Bus error
6/25/11 7:00:06 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:06 PM ReportCrash[703] Saved crash report for Seagate Storage Gauge[719] version 1.0 (26302) to /Users/bill/Library/Logs/DiagnosticReports/Seagate Storage Gauge_2011-06-25-190006_Bills-new-iMac.crash
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[720]) posix_spawn("/Library/TechTracker/TTEngine.app/Contents/MacOS/TTEngine", ...): No such file or directory
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[721]) Bug: launchd_core_logic.c:4139 (24498):13
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine[720]) Exited with exit code: 1
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.cnet.ttengine) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[721]) posix_spawn("/Applications/Akamai/loader.pl", ...): No such file or directory
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist[721]) Exited with exit code: 1
6/25/11 7:00:08 PM com.apple.launchd.peruser.501[131] (com.akamai.client.plist) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:14 PM com.apple.launchd[1] (com.memeo.Memeod[722]) posix_spawn("/Library/Application Support/Memeo/Memeo Backup/Daemons/Memeod", ...): No such file or directory
6/25/11 7:00:14 PM com.apple.launchd[1] (com.memeo.Memeod[722]) Exited with exit code: 1
6/25/11 7:00:14 PM com.apple.launchd[1] (com.memeo.Memeod) Throttling respawn: Will start in 10 seconds
6/25/11 7:00:16 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist[723]) Job appears to have crashed: Bus error
6/25/11 7:00:16 PM com.apple.launchd.peruser.501[131] (com.seagate.SeagateStorageGauge.plist) Throttling respawn: Will start in 10 seconds