helicopter pilot?
The type of helo used for your flight training is not particularly important. I can't tell who trained on what type by the time they're experienced professionals-or serious amateurs, for that matter.
Quality of instruction is everything. Big, formal school or one guy with access to a helo-a serious student and a knowledgeable professional instructor who's available and compatible, is the successful combination you want to make. Advanage big school-if you and the instructor don't click for whatever reason (it happens), you may be able to switch without starting the hunt again.
You'll learn a lot after the course is complete. You'll understand more, and more quickly with good basic instruction-not to mention surviving the first 1,000 hours because you were well taught.