The Bio looks great!! The mask is pretty cool, too!
Sculpting a mask yourself would save you more money overall, but be ready to invest some time and about $100 into the project. After that, you will be able to cast as many heads as you need for just a few bucks each.
Give a shout if you need any tips for whatever route you choose. I've got a reasonably priced mask out there that will fit most of the masks within a couple of inches. *Wink*
DangerDavey