Well I own a Samsung Galaxy 5 GT-I5503. I am running MADRom 2.3 Extreme. Its a custom FROYO updated firmware.
My device is rooted and these are the apps I use :
Zimly Media Player
Titanium Backup
Root Toolbox
Swiftkey Beta X
Dropbox
Remote Desktop
MyPhoneExplorer
Trillian
Adobe Reader
Thinkfree Office
Move2SD Enabler
Google Maps
Minimalistic Text
Opera Mobile
eFile File Manager
aDownloader
Lookout Mobile security
Juice Defender
AdFree Android
Days Left Widget
Superuser
AnysoftKeyboard
ADW Launcher [sticker album theme]
Opera mini
System Benchmark
Youtube
Gmail