OK, did a bit more research and I'm leaning towards the HIS H467PS1GH Radeon HD 4670 iSilence4 1GB. Any known issues with this card?

I don't think I need bitstreaming, unless I'm mistaken. Is there any limitation that would prevent my HTPC from decoding the audio and sending it via LPCM to the TV? I only see mobility graphics for the 5650, did you mean 5750? I was under the impression they used much more power than the 4350, but ...

Good question, I think it's an Asus M2N-E.

As I read more about that card, some people have complained about stuttering during OTA TV, but that was a year ago - not sure if it was a driver issue or not. Worst case I guess I return it if it doesn't work.

Sorry, I'm thinking all I need is this?

ASUS EAH4350 SILENT/DI/512MD2(LP) Radeon HD 4350 (sorry, can't link to it yet, not enough posts) found on newegg.

I've tried to figure out which card is best for me just by reading, but my brain is going to explode - so now I'm asking for help. I can't really find any information similar to what I'm trying to accomplish. I used to know this stuff, but not in a few years. I got a new Sony V-Series TV and moving ...