Where did you folks find prices? I haven't had much luck locating a retail source.
As for the steel, it looks like he's using CPM 10V so Thompson, Glaser, Hurricane, and probably others are comparable. I went the Thompson route pretty early on, and I've been satisfied with them. I don't know enough metallurgy to discuss the pros and cons of one metal over another, but I do like the Thompson steel a little better than the Sorby or Dway tools that I've used... That may be entirely psychological.
If the SB tools work as well as they look, they're gonna be great tools... He really put some effort into the aesthetics of his whole line. If any of you tool junkies get some SB tools, I hope to see a review in the tool section.