Suunto is preparing to release a slightly different looking N3, which should be available on May 1. There seem to be no functional differences between the original black model and the new white one. They both cost $299, but the white one features white trim and different decorative accents around the watch face.
The original black N3:
The new white N3:
The white N3 can be pre-ordered now. The little trim marks around the screen remind me of aircraft instruments in flight simulator games.