Originally Posted by pusta
You should look at something with more HDMI inputs. By my count when you get the Blu-Ray/HD DVD player, you'll have three HDMI sources. The 705/805 has three HDMI inputs in. The 605 only has two.
Unless, of course, your TV has more than one HDMI in. And if your TV's settings (color, contrast, etc.) are applied by input (and not by autorecognizing different sources on the same input), it might make more sense to connect at least one of your HDMI sources directly to the TV. (Scenario: You have different video settings for DVD than for your DVR or cable box; running the video signals through the AVR's single HDMI out might force you to use the same settings, on that input, for all video sources coming in from the AVR). Again, this all depends on how your TV handles settings: by input or by source (and it's likely by input), and also whether you have more than one HDMI in on your TV.
Decisions, decisions. I'm personally going with the 805, but that has less to do with the number of HDMI ins than with other stuff I "need".