Just as the title states I have found good prices on both pistols and want a full size gun for competition. The sig is like $150 more than the m&p, but I have this urge to buy the sig cause its on the bucket list. Will the m&p be more practical for idpa? I have shot idpa with my fnp9 and had some trouble with transition fro da to sa. I am open to suggestions outside these two but really have a like for these two.