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I have the M3 and the answer is no. You can hit just as wicked a slice with the slider set to "Draw" as you can hit a massive hook with it set to "Fade". (That's why I keep mine in the middle.) As others have said it's all about club head path and face angle at impact.
At the big box golf stores, if you ask nicely, the may just give you a wrench. (At least at Golf Galaxy they did for me.) They have tons of them in the back.