For those who have 8320s, you are well aware of the memory limitations (only 64MB or Flash ROM). Bearing that in mind, what apps do you have installed and still have decent performance.
Here's what I have installed (items in red I have full licenses for so I will most likely never remove them):
AddOnIs
DriveSafe.ly
Facebook
Twitter (RIM App)
BBM 5.0
CrackBerry Launcher
BBWeather
Qsms (still trying to figure out how it works)
BB App World
QuickPull Free
Lookout Mobile Security (will replace with RIM's product when it becomes available)
ScreenShot Free
One Theme (Andoid Clone for Curve ... listed as SenseBerry-Droid-Rock-Weather ... )
I've already done a lot of trimming on the OS, so I don't think there's anything else I can do there.