This seems to be around what you're looking for.
http://www.compusa.com/products/prod...a=&cm_ite=feed

You can never go wrong with a Canon. They are very user-friendly, high quality, and worth every penny. I personally would go for one of the newer models but this one is in your price range.

You can find other stores to buy it from here:
http://www.dpreview.com/reviews/spec...canon_a530.asp