Need help choosing receiver

[mkelley]

Here's your chance, folks -- I need to (finally) upgrade my receiver. I'm looking for any and all recommendations on what to at least consider.

Rather large room with almost no coverings (wood floor, few drapes), projector big screen (9 feet), 5.1 speaker system with PS3 as my player for the forseeable future. Sub-woofer is not powered (also looking for recommendations on augmenting and/or replacing it) and I have no desire to add more speakers (I like my Sony twin towers and side and middle speakers). Current system is 100 watts x 5 and this seems more than enough power for that room.

I'd prefer not to spend a fortune -- audio is important but I'm not super critical and listening to movies is all we do with the receiver (not used for anything else). But it needs to be able to decode TrueDolby HD because my present system doesn't (only DD 5.1) and I've found a few discs that only have this as the audio (would be nice, I guess, to also do DTS if my PS3 will do that).

I'm using optical audio on my present system because it doesn't have HDMI inputs, but if a new receiver has HDMI I will also need HDMI out since my projector doesn't have this (so if I use the HDMI from the PS3 it will have to go first to the receiver and then from the receiver to my projector). Does this all make sense? (I'm an old man and a little left behind by all this technology).

TIA for any information.