got mine done at ski market in shrewsbury, right over quinsig bridge.
I went to Strand's first but they only mount used apparently. anyway, make sure you talk to an actual tech and let him know exactly where you want them mounted, call in ahead of time to make sure the tech is in. they messed up my mount a couple years ago casue some lady took my info down, but i went this year and spoke right to the guy, he was awesome and remeasured true center for me and everything. To add to it, he ran it up as a tune-up/binding check, which is $20, instead of the $50 mount to save me $30 bucks, just said "hows 20 sound," even though when i first came there and asked he said $50. LAST thing i expected from a chain