[Upgrading, Modifying and Unlocking] elfassy:
Was in the same situation a while back, here is a backup of the whole /system/app folder (30mb): http://depositfiles.com/files/m4usf08er

281,594 AlarmClock.apk
85,800 AlarmClock.odex
1,807,009 ApiDemos.apk
463,424 ApiDemos.odex
714,550 ArcMediaGallery.apk
554,147 ArcMMP.apk
490,959 ArcVideoEditor.apk
431,235 ArcWorkshop.apk
1,460,437 Browser.apk
384,376 Browser.odex
49,411 Calculator.apk
85,344 Calculator.odex
279,517 Calendar.apk
251,304 Calendar.odex
56,120 CalendarProvider.apk
198,952 CalendarProvider.odex
447,993 Camera.apk
385,416 Camera.odex
8,171 ChargingTest.apk
10,664 ChargingTest.odex
29,600 checkin.apk
1,010,851 Contacts.apk
390,144 Contacts.odex
21,259 DivxRegistration.apk
54,800 DownloadProvider.apk
113,776 DownloadProvider.odex
7,846 DrmDataMngr.apk
3,920 DrmDataMngr.odex
7,454 DrmProvider.apk
12,976 DrmProvider.odex
7,645 DrmService.apk
11,904 DrmService.odex
15,473 ELTTest.apk
28,976 ELTTest.odex
849,275 Email.apk
844,880 Email.odex
8,358 ExternalMemoryTest.apk
8,072 ExternalMemoryTest.odex
395,871 FaceBook.apk
622,159 Gmail.apk
131,463 GmailProvider.apk
343,777 GoogleApps.apk
9,357 GoogleContactsProvider.apk
217,944 GoogleContactsProvider.odex
34,946 GooglePartnerSetup.apk
10,603 GoogleSearch.apk
9,200 GoogleSearch.odex
41,540 GoogleSettingsProvider.apk
81,693 GoogleSubscribedFeedsProvider.apk
106,552 GoogleSubscribedFeedsProvider.odex
273,470 gtalkservice.apk
4,082,523 HiddenMenu.apk
550,568 HiddenMenu.odex
2,094,857 Homecube.apk
282,688 Homecube.odex
69,152 Homeselector.apk
18,840 Homeselector.odex
2,777 HTMLViewer.apk
6,360 HTMLViewer.odex
44,466 ImProvider.apk
74,680 ImProvider.odex
515,532 IM_RGS.apk
592,160 IM_RGS.odex
3,247,575 Launcher.apk
194,984 Launcher.odex
490,210 lgecamera.apk
871,502 LgeFmRadio.apk
163,784 LgeFmRadio.odex
130,379 LGSetupWizard.apk
9,936 LGSetupWizard.odex
3,394 LGSystemProvider.apk
9,480 LGSystemProvider.odex
753,704 Linkbook.apk
893,040 Linkbook.odex
2,139,551 Maps.apk
13,149 MediaProvider.apk
61,376 MediaProvider.odex
264,579 MediaUploader.apk
684,271 Memo.apk
56,592 Memo.odex
670,145 Mms.apk
642,080 Mms.odex
3,023,980 MoxierMail-2.1.20.2-GW620-Rogers.apk
451,531 Music.apk
211,296 Music.odex
22,547 MyAccount.apk
1,652,336 MySpace.apk
33,641 NetworkLocation.apk
118,789 orangephorowidget.apk
35,568 orangephorowidget.odex
85,708 PackageInstaller.apk
30,808 PackageInstaller.odex
1,049,113 Phone.apk
464,584 Phone.odex
620,946 PowerOff.apk
9,288 PowerOff.odex
33,948 RingsExtended.apk
37,304 RingsExtended.odex
53,714 Rogers.apk
402,637 RogersImPlugin.apk
2,019,365 Settings.apk
436,552 Settings.odex
9,237 SettingsProvider.apk
26,968 SettingsProvider.odex
886,168 SetupWizard.apk
28,980 SimChecker.apk
15,928 SimChecker.odex
103,524 SoundRecorder.apk
49,256 SoundRecorder.odex
39,699 Stk.apk
49,288 Stk.odex
108,985 Street.apk
2,677 SyncMLProvider.apk
22,936 SyncMLProvider.odex
465,725 Talk.apk
7,310 TelephonyProvider.apk
81,584 TelephonyProvider.odex
14,630 Term.apk
2,436,535 tn55-android-LG_Eve-2003.apk
2,523 UserDictionaryProvider.apk
7,744 UserDictionaryProvider.odex
968,840 Vending.apk
137,903 WapService.apk
146,920 WapService.odex
6,249,570 XIM.apk
431,775 YouTube.apk

or for a full dump of the phone:

http://www.4shared.com/get/149810989..._eve_dump.html

credit to @pixeladdikt for the dump