I just replaced my HT-R640 Onkyo receiver with a new Yamaha one. If my daughters boyfriend doesn't buy it for $100 would you be interested? It works great and has 2 HDMI inputs. The only thing is it does not have a decoder for the new blu ray audio codecs. If you have a blu ray player that will decode it then no problem. If your blu ray player doesn't decode the new codecs then you can still listen to blu ray audio, it will just be in regular DD or DTS.
A receiver would be your best option but if you don't want to get one then here is another option for you http://www.amazon.com/3-5MM-TOSLINK-.../dp/B00006LVF3
Oh and Rage, the RCA audio is red and white, the yellow is composite video.