Have you tried the Parts Express Amazon store front? I use it when their main website is non-responsive.
http://www.amazon.com/gp/browse.html?ie=UTF8&marketplaceID=ATVPDKIKX0DER&me=A385A0XNQBW8HY
It's bothersome to check on a driver, for example, about which someone has a question, if I have to start copying product SKUs into the Amazon site.