The problem fatalsaint is if you try to use the N900 as you did the n800 you'll find you'll find yourself with a dead battery very soon.
With the n800 that was fine, cause I could still use my cheap free cell phone to receive calls or make a call if I ever needed to. With the N900 if I use it as much as I used the n800 I find myself with the inability to receive calls or make them (on the rare occasion that I do