All, I am new to this game. So be gentle. I have a Denon X4400H, driving a 5.2.2 set up. Klipsch RP280F, RP450C, RP250S, HK overheads, 115SW and HK 12”SW. The room size is not very big. I have been happy for 3 years. Now, I have the itch to push up the music quality (video is awesome). Which amp would be best for this? Read a lot of forums—pretty confused. I am in India, but have access to pretty much any brand... I must mention; the AVR gets really HOT