PriceAdvance - Firefox add-on that allows you to compare prices while you shop.
Version: 1.5.2Thank you for checking out the PriceAdvance extension. Our goal is to make price comparison as simple and convenient as possible. We will be adding new merchants and products over the coming weeks.
Operating System: Mac OS X
After installing the PriceAdvance FireFox addon, browse to a product page on one of our supported merchants' sites (for example, Amazon.com, Buy.com, BestBuy.com, or CircuitCity.com).
PriceAdvance provides a list of merchants and prices that will appear top left.
· Firefox 2.0 or alter