It didn't crash for me. It works great.
Akd, I didn't upgrade at first either because I couldn't get a good idea of what was so much better about 2008. It's a big things, but a lot of little things. E.g., Home applets are transparent which allows you to see your background; it's a very nice effect. Colors are brighter. Progress bars fit the screen better. The application manager is more intuitive and takes less thinking. Arranging applets or tray items is easier. The UI is more thumb friendly which make you less likely to pull out the stylus. The whole thing is more responsive and speedy. Applications tell you which icon they belong to by 'notching' it or minimizing to it. The PDF reader feels more like a book. The list goes on.

I have a list of apps that I used on 2007. Most of them work on 2008 and more work every day. If you have time, try it!