Not bad at all. I would probably bring some more life to the header a bit. The site looks fairly well. I run a few retail stores online and my goal usually is to compete in
SEO and Engage Customer's. Your sites nice but doesn't look like it will engage the customers eye the way you were expecting. When designing online retail stores I remember to look around at what the competition is doing. Good rule of thumb.
For your site I would advise peaking at
www.QVC.com for some idea's. They have proven to engage Millions of Dollars per day in Cusomter sales from their current design. I have a very good figure on what
QVC.com produces in revenues each day because my wife works for their OPS. Their still is plenty of people out there who don't get QVC on their cable or satellite TV's.