Got a chance to shoot the Trackingpoint 300WM this week. We also got a look at the 5.56 AR model. Their marketing lead (the guy in their videos) is super nice and a good spokesperson for them.
The system definitely works, I deliberately put a lot of cant in the weapon to see what it would do and I hit a 3" target at 400yds. The rifle had a gentle recoil, surgeon action (is this why surgeon wasn't taking orders for a while? hmmm) and overall fit and finish were nice, user interface was fairly intuitive and easy to learn. Piping the scope view to a tablet has interesting training applications, and the shot replay capabilities are nice. I also like the onboard cant and incline indicators. There were definitely little things to improve that come with any new integrated system but I think their design evolution reflects real intelligence and efficiency. I've seen a lot of poorly designed systems and I'm not easily impressed, but these guys have their act together.
That being said, the market for this type of thing is very much undefined. As someone trying to improve my long range skills I'm not looking for a gun that takes me out of the equation. I think they've sold about 1000 of these and I'm sure they'll continue to find the right customer. We recently saw a guy shooting a $10,000 .50 BMG setup that was completely clueless, had absolutely no idea what was going on. That guy might be happier with a gun that can consistently hit at long range even if his technique is awful (TP can fix stupid up to a point, but it doesn't currently do wind calls so wind conditions will be the range-limiting factor). And I bet there are a few thousand people out there in the same boat, which would give the original TP investors a healthy ROI. Some people are probably concerned about a nitwit's ability to go buy a rifle and hit at range with no skill or training, but more trigger time only develops skill (not judgment) so an asshole is an asshole no matter what.
From a military perspective, this is going to be a tough sell for the time being. I don't know anybody that would carry one of these on a combat mission.