ok, Hahn Racecraft just got back to me, here's a cut/paste of that email:
"On 7/25/06,
Sales <
Sales@turbosystem.com> wrote:
Yes, we offer an Ecotec turbosystem (stage 2) w/FMIC for $3495 add $300 for the super 20G turbo upgrade, and add $1599 for the portfueler fuel system with race metal intake (which will support up to 28psi). Call me if you would liket o discuss in detail! 630-553-6830 x103
Brad @ sales"
Which is the usual price for a solid turbo kit, and the reason I started researching the true cost of building one.
RSM is offering a Ecotec turbo kit also for (3,999?) without as good of parts in it as Hahn's.
OR, you can have one custom built and probably save $1,000 or so.