i need whatever info anybody has... brands, models, prices, any info on exactly how much tuning can be accomplished with one of these... how much boost can be used with one before retarding the ignition becomes neccessary (i know ERT stg I uses one with stock software and is running 7 psi i think). also does anybody have any experiance tuning there car with this? how much dyno time, etc etc etc...

any info would be great, links, whatever you ahve... feel free to IM me too @ pete98m3 on AIM.