GundamWing.org One of the two best gundam information pages out there.
GundamWing.net The other really good GW resource page.
Shin Kidousenki Gundam Wing Character info, Gallery, Songs and Links
Shounen ai/YAOI Stuff
**WARNING** Shounen ai and Yaoi involve Male/Male relationships, don't go unless this interests you.
Firedancer's Universe of Chaos... and Fanfiction Talya has left the GW fandom, but the fics are there.
Whitecat's World She's pretty much done with GW, but you can find the 'Death Arc' here,
Aestheticism YAOI online fanzine, doushinji, fanfics, etc.
Silvertales.com Kit-chan's artwork and fanfic.