TV connections
Gordon,
Go with the less expensive Onkyo for now. Your older TV probably doesn't even have HDMI inputs so there is no point to the switching feature on the receiver. Hopefully your TV has a component video connection and you can use the video switching on the receiver. If you upgrade the TV, it will probably include 2 HDMI inputs. If you need more than 2, you can add an HDMI switch.
Yamaha and Denon also make some good receivers in your price range.