After growing from a small online book seller to one of the web's most successful retail destinations, Amazon.com is branching out yet again, this time with two new online retail stores. Dubbed Endless.com, the new retailer sells over 250 brands of shoes, accessories and handbags including lines like Steve Madden, Kenneth Cole and Birkenstock.

But the big draw of Endless.com isn't the label names -- it's the promise of free overnight shipping! So if you are going out tomorrow night and you really need a pair of Oscar de la Renta open-toed pumps, you won't have to pay an arm and a leg to get them delivered to your door by tomorrow afternoon. (Of course, if you are paying $260 for a pair of shoes, can you really complain about the cost of shipping?)