Which Road?

I have a Denon DRA-800H hooked to a built PC via HDMI thru video card and I dont feel like its enough power to run my Tekton Double Impacts My question is there a ballsy avr out there that sounds good or should i go integrated  or seperates for playing flac files on pc high quality audio streams preferable budget is 3 to 6 gs dont want a mcintosh any ideas ive read good stuff about parasound just need good advice and i dont know which route is best