If you're into linux and words like "ssh" and "xorg" make your ears perk up, then N900 is the dream phone, keep it and be proud that you got such a cheap price compared to the rest of us.

I also went from N95 to N900. They are different, and yes N900 has many problems (as did the N95 for the first year) but to me I still prefer N900.

It's a real linux computer in your pocket. There's nothing else that can compare. You have your options of C, C++, perl, python, ruby, etc. and toolkits choice gtk+, Qt and so on. It's basically all of the options you'd have on a desktop Linux machine. All the familiar GNU tools and hundreds of open-source apps are available. And with Qole's easy-debian you really have almost a full desktop system in your hand.

If, however, you want commercial apps and games, then run away fast...

Yes, my N95 has many features and software I wish my N900 had, but I still prefer N900 easily.