tuners which is best?

hey guys im in the process of buying a tuner its between a SCT X3, diablo sport for my 2000 GT if ya got any others in mind let me know. im leaning toward the X3 but just want to get some facts and some input from ppl that already used them thanks guys. i
 
its seems that no tuner around me will touch my diablo tuner, they all will only work with sct chip or xcal3, sucks for me cause when i get my nitrous ill have to get one of those instead so they can tune it, but i will say the diablo is a very simple and easy to use tuner, no experience with any other tho
 
ya amp is where i picked my tuner up at, but they dont do there own dyno tunes and all they take you to this other place and they dont want to use diablo, wish i woulda know before i bought it
 
They dont do their own dyno tuning ? thats weird ? didnt know that , taking notes though ....

ya, they are good people, well they know what they are talking about anyway, kinda snobby tho, but ya there shop isnt exactly that big so they dont have room for a dyno so they just send you out to a place they use, they do have a great inventory of parts tho

oh and they just sent me a 20 dollar gift card for being a customer the last two years for christmas, so thats nice