I'm looking at the RX-V1700 to complete my HT. I can pick up last years model RX-V2600 at slightly better pricing. Now these two receivers seems almost identical with features and performance. Is there any major differences between the two? Help me choose one

Thanks


M60s|VP150|QS8s|VTF3.2 Yamaha RX-V1700|Oppo 981 Panasonic TH58px600