Hi,
I recently bought a S&W M&P15TS. I ordered it back in early April from OMB for $1125 - $100 MIR. It arrived at my FFL about 10 days ago. I own and/or have owned several other M&P15's, including the regular M&P15, M&P15A, M&P15OR, and M&P15T.
The TS is awesome! Much lighter than the regular T (sorry I dont have an accuate scale to post numbers). The Troy TRX Extreme is a very small diameter rail system - which makes getting a good grip on the rail very easy compared to the Troy MRF-MX rail on the T. The barrel is 1/7, 14.5" long with a pinned FH. Came with Magpul MOE grip, BUIS, and CTR stock. Staking is excellent.
I have not shot it yet - so I cannot comment on that. But as far as looks - this is the best rifle in the current S&W lineup. And at $1025 after MIR is an excellent value when you consider the quality of the components.