Simple Digital Systems...who's heard of them?

Seems better than the PFC with a ton more features. Easy wiring and easy to tune as well. I’ve never used it so I can’t say from personal experience.

Review? Input?

Talk to lewtz. He’s has been using it on his SR for years:

http://www.son240sx.org/forums/member.php?u=1166

It is good, one of the guys in the crew has it in his MK4 SUPRA and pushing about 500whp.

this is true, Mine has a 3 bar map sensor, you can come over sometime and ill show you how it works.