A gal can never have too many dresses. That's my motto and I'm sticking to it. After all, they're easy, breezy, and give you instant polish. Now is the best time to invest in fun frocks — who needs layers upon layers of clothes when it's hot? I've hunted down the web's most interesting styles to make your sunny days as gorgeous as possible. Maxis, minis, ethnic, artsy . . . they're all up for grabs and they're all under $100. This Aqua Eyelet Ruffle Tube Dress ($88) can work on land and sand. Go on, dress up . . .