Well I think I'm going to hold off untill Greddy puts up some numbers so I can compair cost to power gains. I bet it's going to be a close call in the end with the vortech supercharger claiming these numbers.

298/195 at 8psi on an otherwise stock R

And I would be shocked to see the complete greddy kit under 4k. I would still like to meet someone with this kit installed to get an actual consumer report.