Come to think of it, I understand that the purpose of the slide cut is reduce weight. But is that really a big deal?
I chose the G35 for those classes because the .40 S&W would do a better job of overcoming inertia on steel swingers than 9mm. I've never shot the G35 in IDPA. Springfield's Website says the XD(M) 5.25 9mm is only 29 ounces with an empty mag, the .45 ACP is 32 ounces...even IDPA SSP allows 39 ounces; ESP allows 4 ounces more.
I personally like to have a little more mass rather than less up toward the muzzle in a range/competition gun, so I admit I'm at a loss to understand what benefit the slide cut on the XD(M) offers. That may be, what, a couple or three ounces at most?
Not that I don't want one