New logo design needed for hosted eCommerce service

We are looking for a new identity and logo for our hosted eCommerce solution buyitsellit. You can work off our existing logo or offer something completely different.

http://www.buyitsellit.com

Desired Color Scheme:
see description

Desired Style:
clean, web 2.0

Accepted File Formats:
Standard Web Formats (.jpg, .gif or .png); Vector Formats (.eps, .pdf or .ai); Layered Formats (.psd or .tiff)

Who are we and what do we do?

BuyItSellIt (BISI) is a fast growing hosted eCommerce platform that is ready for the next next step in brand identity. We relaunched our services back in November of 07 and provide hosted shopping cart / eCommerce solutions to over 4000 stores worldwide.

Logo look and feel

 

We want our new logo to be clean, not too busy. The logo must work with a variety of background shades (white, gray, dark). The logo should convey what BISI does with some type of identifiable icon or simple graphic.

Colors

Feel free to use the existing colors in our logo/site as a starting point or preferably use the following color scheme used by BISI's parent company located here.