I should mention a few more things.

A lot of this is my mindless rambling. Yes I think turbo to myself all the time.

A larger turbo actually helps with reducing backpressure, heat, egt's, and detonation. A large turbo will be rather laggy yet allow more TOTAL maximum power on pump gas because of less detonation. There is a lot more to it than that. In fact, I think the only reason Greg got away with running so much boost with so little trouble might be this reason alone. Who knows. In theory it works. (THIS IS THE OVER-SIMPLIFIED EXPLANATION.)

I am mostly concerned with area under the curve which affects streetability so I am looking for a compromise between quick spooling and large which I have yet to completely find. I have a few turbos in mind but some of it will lead me down the custom route. That is process of mind ramblings.

It all depends on what you want, how you use your car, and your future goals/plans.

Oh, and I really do want to know when they introduced purple M&M's?

05 Mazda RX-8
06 Lotus Elise