of course I use it, what can replace it?
Actually I write this from n810, the other greate device.

What I use n900 for except tinkering, hacking and having fun in console?

Every day I transmit podcasts or Internet radio, and listen when going to work.
I don't understand why this feature considered useless now? How people listen music from phones in car? Modern players have input jacks?

Another very useful app is fcamera.