Great thread topic!!
Here are some suggestions, hopefully you'll find something up your alley...
Updated Classics ($200 and up):
Cole Haan, Michael Kors, Cynthia Rowley, Lamarthe, Kenneth Cole, Via Spiga, Isabella Fiore, Donald J Pliner
Bags With Edge ($300 and up):
Lulu Guiness, Moschino (Also see there "Cheap and Chic" Line), Furla, DKNY, Vivienne Westwood, Betsey Johnson, Emilio Pucci, Cavalli (Just Cavalli is the less expensive line)
H.O.T. Now ($300-$700):
Botkier, Kooba, Gustto
The Next H.O.T Things ($300-$700):
Loeffler Randall (Lindsay/Mischa love their shoes!)
L.A.M.B. (the new couture collection rocks!!)
Tocca
Super Trendy "Designers" ($50-$300):
Kenzie, BCBGirls, BCBGMAXARIA, Hype, Franco Sarto, MAXX New York, Mae and J, Jessica Simpson (she has some cute bags on zappos)
You can find all of these bags at either zappos.com, bluefly.com, overstock.com, fashionflairs.com or shopbop.com
Good luck!
mandy
p.s. If you like "Miss Marc" line definitely check out Loop Design (at zappos)! You will love their print totes!