Just to get my 2 cents in, I personally don't care for DA/SA guns. I like my trigger pull to be the same for every shot. The first time I shot my father in laws 229 was comical and best, and dangerous at worse. I loaded, racked and decocked. Fired the first shot, no problem, then went to "stage" the trigger for the second shot, and the thing fired. I was still pointed at the target, and followed the Clint Smith mantra of "On target, on trigger...off target, off trigger". But I certainly wasn't ready for the follow-up shot. Of course, training got me used to it, but my preference is for a good double action trigger pull for each and every shot.
Of course, there's nothing wrong with Beretta's and Sigs. Personally, however, I'd take Glock over either of those guns.