How about a vote?
1. Go through the C6AE-R heads, good valve job, good valves, correct springs, etc.
2. Go straight to TFS heads.
All-in-all, the engine is going to make the most peak hp with TFS heads, but I don't necessarily need to do a max effort 352, like Blair is. Originally, I thought I'd be headed the TFS way, but I almost think the C6 heads would be as fun to play with. I don't think I'd even port them, just put good parts on with a good VJ.
I have a really cherry Streetmaster intake to go on it.