We use
www.sitedepth.com on
www.tabithastoybox.com and LOVE LOVE LOVE it....Omar and Alfredo have amazing support, they are definitely on top of their game...plus, as far as I can tell it blows the others out of the water as far as pricing, features and support goes
if you have any questions from an end users point of view, hit me up on icq 102893553