If you're looking for regular maintainance at a reasonable cost........go to Performance Imports and talk to Harold (tell him David sent you).
Nothing against Kinetic, but why spend more? Oh yeah, if it costs more, it MUST be better, right? If you REALLY want to spend your money, send your car to Ruf........
I mean seriously.........how can someone justify charging $900 for a 911 (3.0 or 3.2) valve adjustment, which takes 3 hours?