I've been up there for Police Rifle and Police Pistol last year. Small class size, about 8-10 guys and one instructor. Actually the first day was a bigger class, during the post class critique I raised the student instructor ratio and if I recall correctly the instructor said they try to have another instructor when it's that size. I believe the whole critique process was taken seriously and the instructor said several times that their director reads every single one and the feedback is important. And despite the student instructor ratio the first day the guy still did a great job and I don't think anyone was neglected. Instructor was a full time employee.
The facility is great. I'd compare it to Moyock without the track and pond. Good food and lodging near by. Doable drive from the Boston area.
The instruction was excellent. The instructor ("Cav") was a recent retiree from a regional SWAT team, definitely knew his shit, took his job very seriously but was completely down to earth and had a good sense of humor.
Police Rifle and Pistol is nothing earth shattering but it's not supposed to be. It was a solid intermediate class and Cav dialed it up when he was comfortable with the skill level and incorporated a lot of timed competitive stuff. Definitely exposed how rusty I have let myself get.
Sig products were pushed a bit but not at all aggressively. Like "this is what we sell, we think they're great but no pressure". They don't gouge you either. Good discount at the pro shop, ammo was very reasonably priced, the classes were $250 a day which I don't think is out of line at all for what you're getting and there was either a 10 or 20% discount for subsequent classes in the same week.
I've trained a few places, I was quite happy with Sig and I will be back again on my own time and my own dime.