Yep, the limitations are numerous with the 507 when it comes to some of the higher level functions. Right now I am looking at just grabbing a Polk or similar, saw one on craigslist for $50 in good condition. Thanks for the info everyone, very helpful.

M60x2, VP150, M22x2
Sennheiser HD-595
Onkyo TX-SR507, PS3 (40gb)