Well that was a terribly repetitive read... Although this issue has probably been disregarded already I want to address the whole Steriod analogy. Hopefully this'll clear things up Cort.
Steroids aren't really an applicable analogy here. If you work out you gain mass, and if you take steroids you gain mass quicker. Ok that part checks out with the controller "modding." If you use a controller you break it in, and if you "mod" it you break it in quicker. However, the flaw here is if you keep working out you'll maintain you physique. Unfortunately if you continue to break in you controller, it simply breaks and you have to start from square one. Essentially what this means in the steriod analogy is if you continue to work out, you'll end up out of shape and have to rework yourself to your performance shape. This of course, is nonsense.
A more appropriate analogy would be football pads. At first they are stiff and the more you work them, the more comfortable they are. Eventually they will become worn out and you have to buy new stiff pads. Mana simply states that he can give you football pads that are already comfortable for use.
Herein lies the problem though. Mana has specifically to me that alot of the times players can only go so far with their abilities, and a modded controller will help you get to the next level. Obviously this could simply be a sales pitch, but that's kind of irrelevent. Back to the analogy. In this case, Mana is not just giving you worn in pads. He is giving you stronger, lighter, more effective pads that give you an advantage over players that are using regular pads. In this regard, there can be two athletes of equal ability, yet one performs better because has better equipment, equipment that is only available through Mana.
So if Mana is doing what he posted, there shouldn't be any problem with using the modded controller. However, if he's doing what he has told me (and many others) in person, then you can feel free to mod your controller, but you cannot use it in tournements. The debate should really be what is Mana doing to the controllers. Not whether or not it should be legal. It's obvious that one of his "mods" is entirely legit and the other "mod" should be banned. The real question is "What is Mana actually doing?"