Google Voice,Nestoid,Listen,Advanced Task Killer,PDANet,Nestoid,DroidLight,i Music,ApkInstaller,AK Notepad.
Guava is good if you have a Gizmo5 Account, but it interferes with the Google Voice Ap. It is good to have available but uninstalled if you get in a bind and have used all your 'Anytime' minutes.
We are looking forward to Fennec.
Swype Keyboard works quite well.