Ah, it sounds like maybe you've got that problem that loomed for YEARS in the 'Linux vs Windows' wars on the desktop. ie: I went to the store to buy a game but it won't run in Linux! (replace Linux with Macintosh or Amiga or Atari, etc.)

It's just a matter of finding this platform's rockstar killer must-have apps.

I don't have an N900, but I do have an N800 and I have no shortage of available software from games to multimedia to office programs and console (terminal) tools to do real work. Last I checked, Sygic is VERY close to being released on the N900. I think THAT will come as a GREAT comfort to you, as I understand the OviMap navigation suuuuuuuuucks. Just a short wait, I'm hoping.

In the meantime, take a wander over to the Maemo downloads site ( http://maemo.org/downloads/Maemo5/ ) to see some of the recommended apps, if you haven't already been there. Be sure to also scour the forums for N900 app-related topics.

I hope this helps.