If it was easy to achieve it wouldn't be cool! :-D
From what I have read, the head is good for 13.00:01 compression. Of course I would have to go with a flat top piston.
I really don't want to get into a pissing match about slantsix.org. I just don't like the way they treat people over there. I don't know if it's ego related or if they just don't like newcomers. Either way, I'm not participating in their circus.