www.matrixowners.com has a section specifically for forced induction.
i personally am thinking to get a small turbo for my trix, but that is a long ways off. from what i have heard so far, the 2zz is not really the best motor to turbo because it is already the high compression. my thought on this is to get a turbo that will provide boost from about 3000 to 6000 rpm. this is not the highest compression area, so that should help to give me more of a run up to the lift.
you could use the trd SC instead of turbo if you want to as well.
regarding the camshafts, i couldnt help you on that part.
__________________
2003 Matrix XRS-6MT-Black Sand Pearl-Castrol Syntec 0W30 European Formula

Mods - 18" Incubus Paranormal wrapped in Toyo Proxes4 - T-Max Style front body kit - Escort Passport 9500i...what a friend to have in the car

- Part Time Mod Thule Roof Rack