Even a used Denon of a higher model number or other manufacturer's receiver would provide better sound than the 2800 series receiver. Check into used THX certified model from Denon, Pioneer, Yamaha or Marantz, or the new top of the line Onkyo.
For separates under $3000, look here:
-Outlaw Audio 990/Outlaw Audio 7125 (new)
-Integra DCT 9.8/Rotel RMB 1075 (new)
-NAD T175/NAD T973 (all refurbished at Spearit Sound)
-NAD M15/ NAD M25 (all used)
-Rotel RSP 1098/Rotel RMB-1077 or (all used)
-Parasound C2/Parasound Halo A52 (all used)
-Odyssey Stratos HT5 amplifier plus one of the processors listed above (new or used).
Or, mix and match.
For separates under $3000, look here:
-Outlaw Audio 990/Outlaw Audio 7125 (new)
-Integra DCT 9.8/Rotel RMB 1075 (new)
-NAD T175/NAD T973 (all refurbished at Spearit Sound)
-NAD M15/ NAD M25 (all used)
-Rotel RSP 1098/Rotel RMB-1077 or (all used)
-Parasound C2/Parasound Halo A52 (all used)
-Odyssey Stratos HT5 amplifier plus one of the processors listed above (new or used).
Or, mix and match.