I have to agree that the 3913 platform ... in all of its model variations, 3914, 908, 908S, 3913LS, 3913NL, 3913TSW's, 3953 ... is probably as close to state-of-the-art for a single column compact 9mm pistol as has been produced to date. It's my hands-down favorite.
While I really like my late-production 3913 (wide barrel tab), I also like the 3913TSW, in either grip frame configuration. A close friend with another agency bought one of the first 3913TSW's with the shortened grip frame. I installed an adjustable LPA rear sight, and modified a set of Hogue grips to fit, and while it's not his primary carry or practice weapon, he's fired several thousands of rounds through it without any malfunctions or significant problems.
If I were going to replace my 3913 with a current production model it would be the 3913TSW, even though I have no personal need for an accessory rail, simply because of a couple of the other features present on the TSW line ... such as the delayed unlocking and the little visual chamber inspection port. The 908S model would also be an excellent choice, however, and with the continual upgrades in CNC & ISO production methods the current 908S models are even better finished than my 3913 produced several years ago.
I currently have a front night sight and a Novak Ghost Ring rear sight, since this is a defensive off-duty weapon and not a "target" pistol. If I were to buy a new model I'd get it already equipped with the standard Novak-style Trijicon night sights installed at the factory.
I like my CS9 ... it's every bit as accurate as my 3913, and has been just as reliable with all of the standard pressure, +P and +P+ ammunition I've fired through it. Comparing the 3913 & the CS9, though, I'd have to say the 3913 simply "fits" my hand as if made for it, and "balances" as close to perfect as I've ever experienced in a compact defensive weapon.
If for some reason I were to be limited to owning only ONE 9mm pistol to be used for lawful concealed carry ... it would be one of the many 3913 variations.