Pros and cons of different styles of tunes?

[ma.racing]

yea,he aced my blown,cammed 08',a/f ratio was perfect,no pings,knocks etc,just power!!and new set of tires lol
it too was a mail tune...

see thats how good he is do you no how hard it would be to guess at a boost tune. i would have never trusted anyones mail order tunes with boost tho i would have took it to them i may just be superstitious tho cuz i do my one tuning