This Pipe finds the lowest price for the product and displays it in the title. Clone and tweek the Pipe for your needs. This allows you to get to the Amazon Product API without having to sign the call. Let YQL and Pipes handle this!! The benefit? Start your own affiliate site and add in your Associate Tag for commissions.
Pipe Web Address: http://pipes.yahoo.com/31337/593b14345d04633e8f4ed0d824a08217