I would depend on what was put out there, I'd buy a PF Zero in a second not to mention since its an original line the PFs would be affordable in comparision as well.
That makes it cooler to me. Someone would be like "What's that from" I'd say "Nothing just a bad ass zombie" I mean, I love original designs. I can use my imagination then!
I wouldn't, but I could ONLY see a Patient Zero being made into one to satisfy those that can't get a Patient Zero. They could actually get a PF version of him cheaper!