Thanks everyone for your useful comments. Ray - there is no direct comparison available on the H/K website between current and discontinued products. However, I downloaded the owners manuals for both, and as far as I can tell they seem to be identical, save for the autosetup feature. Considering that I don't trust and would never use that feature anyway, I think I'll go for the old 'n inferior AVR 330 and put the $400 I saved towards a decent sub...