Here the USB keyboard (actually a thumb-board) that I've been successfully using with my n800:



I bought it a couple of years ago and never used it much. I recently found it in one of my boxes of stuff and tried it on my n800. I'm now getting my money's worth for a device that I never used much before!

I got mine at EBGames in 2005, bit don't know if they are still available there or elsewhere.

Good luck!
Rich