Why not go to a show here in the US and see what lines might suit? e.g.: Pool, Atelier, etc. http://www.fashion-incubator.com/categor... is a blog written for small companies who want to sell their clothes -- you represent the other side of that, the buyer.
A website you ought to be reading regularly: http://www.apparelnews.net/
I know this cool company out of California called blankstyle. They specialize in blankstyle fashionable wholesale clothing. They have an office out of California and North Idaho (Coeur d'Alene). You can check out there sites.