Stop me if you've heard this....
Pixen is like Photoshop for pixel artists. It is clearly designed by people who know the needs of those working with sprites, icons and such. The tiny format of graphics demands a certain precision, and Pixen delivers that precision on tiny-format artwork.
http://www.opensword.org/Pixen/
the link is broken, can anybody help me download this pixen please? :)
Thanks!