Awesome work so far on the head! I've just read through 7pg's and I want even more info, pictures, charts, drawings, just everything! This is a real game changer and again, I really have to commend you (and Tony D) on all you've done so far. +1 for Florida!
Have you tried Kelford Cams out of NZ (www.kelford.co.nz, www.camshaftshop.com)? I'm not 100% sure that they produce their own blanks, but if they don't, sourcing billet blanks doesn't seem to be an issue. They CNC grind all camshafts in house and if you send them over a CAE of a cam/profile you've been dreaming of they will make it. They can building any cam you like.... I mean ANY.... Like a 16.25mm lift K series cam
Also, I see that you are in Central Florida. Have you heard of Mazworx out in the Orlando area (www.mazworx.com)? If you get a chance, contact Mark there and fill him in on what you are doing and where your currently at as far as development. They are one of best machine shops around and are also a Kelford Cams dealer. They might be able to help streamline the development of your cams if you use Kelford or possibly could help with one of the stateside manufactures. Mark has been intricate in getting a lot of bespoke parts produced for Mazworx over the past few years, like 6061-T6 billet aluminum blocks for the Sr20 and 2JZ. Imagine a billet L6 block w/ this head (and RR's 3.5 crank)??
I really want to see you finish this head development and have a completed/fully assembled head out there to showcase. I think once you have a completed head and flow chart data to support it you will easily sell out a run of these. There are a lot of high rollers all around the world that either lurk forums or just aren't online. Once the proof is out the demand will rise.
I'll put this out there.. If this head can produce 380+/-rwhp on a 3.0L-3.2L bottom end I AM 100% IN.