Alright, apart from the ones listed above:
- Gentimer (for timers / world time)
- GPRS traffic monitor (absolutely crucial for me to monitor data usage - no unlimited data in Canada

)
- Orneta Notepad (text file editor)
- SmartphoneNotes (sync Outlook notes)
- Kevtris (awesome free tetris game)
- SmartGear (excellent gameboy and gamegear emulation)
- Pocket Mini Golf 2 (amazing mini golf game, of course)