I have a dark blue Nokia 3100.
http://www.nokia.com/nokia/0,,32954,00.html
Best: I bought the cable to connect it to the PC and can put wallpaper, sounds, logos, games, etc... for free
Worst: really nothing is very very bad (that's why i bought it
) but there's a thing I don't like (and that happens to lots of phones, from nokia and from others): If you save a number like 123456789 as "Peter", and someone else calls you or sends a sms and has a number with the same 7 last digits (like 003456789) then the phone displays that Peter is who has called you/sent the sms; however the real number (003456789) is still stored in the last calls menu, etc...
quite dodgy bug