Mashable.com listed 25 top fashion sites. Here are of few of the sites that diyer like ourselves would like:
Polyvore.com is a site that allows you to create outfits and let others comment on them.
Glam.com is trend watch site
Fashmatch.com is considered place to play "dress up" with pics of clothes ; others can comment on your choices.
Osoyou.com allows you to create outfits from participating retailers and also buy the pieces you want.