Hey guys, I'm seriously considering buying a S&W M&P handgun soon, do you think I should buy a 9mm or 40 S&W? It will be used for plinking at the range and possibly home defense, Ive shot a 40 cal before which I really liked, but never a 9mm. I like that the 9mm holds 2 extra rounds and that ammo is cheaper, but I'm afraid that it might be boring to shoot compared to the 40, any thoughts? Thanks