haha. he may say he wants simply a turboback and some bolt-ons, but we've heard that story...even from ourselves! That's the life/money pit of the car enthusiast. You say what will make you happy, you save up and buy that shit, and your pysched for like a year and then your drawing plans for more. haha.
An ecutek reflash doesn't cost a fortune, so you aren't taking too much of a hit when you DO decide you want more shit, but if you are aware that this cycle is most likely gonna happen to you, i'd say get something with some tunability in the first place.