There is nothing wrong with AP tuning. If you have an AP and can get a tune from Infamous, then I would call it good. People have their own opinions on the whole opensource and Cobb protune debate.
I would really love to see the comparison beteween our 2 18G's when our tunes are done. How does yours spool? Mine sucks, but midrange and top end are killer. What all mods do you have? I have a busted VF-40 that the wife keeps talking about turning into a LGT style HTA-68....LOL!