Sorry for the late reply. I was busy with some other work.
Anyhow,
One of the best resources is this site
http://www.mezzoblue.com/zengarden/alldesigns/
Each page is designed mainly with CSS involved. You see the minimal inovelment of images.
It really adds an aesthetic and refined quality...
I would really modernize your Menu bar, Do a Small Black bar spanning across the entire top. No graphics just CSS style sheet with gradient and just text. A Minimal bar which would add alot of flavor. the text is kind of popping out of the buttons right now. So this would have a bit more sleek...
You can temporarily use 3rd party shopping carts till you learn to build your own. Or you can license a shopping cart script from a good developer.
Some options for 3rd party shopping carts.
Such as google checkout
http://checkout.google.com/sell/?promo=sefatfree&gsessionid=1YOeM_TcWyc
or...
I had friends who were part of graphic design buissness. Ray of Light. It was a old company they don't exist anymore due to some issues. Anyway they designed planet of the apes website. Even a few members of the team were designers in the Gamespy logo and other major brands. They were always...
Hey, I was looking through your portfolio.
1. I personally think your lying way to heavily on text effects.
2. Your designs have originallity but I think if you put a more double meaning would be great.
3. For example see this, http://www.logofaves.com/2009/06/yoga-australia/ its amazing double...