I agree with alot you said, but as far as pid update speed my MAC Mentor(GenisyS)With 2.0 & PF 2005 is super fast(TO FAST) on most cars. IF YOU TRY TO VIEW PIDS IN DATA AND NOT A GRAPH IT, YOU CANT EVEN READ THE NUMBERS THEY UPDATE SO FAST. DOES YOUR GENISYS H... Login to read more.