Even if you go with a "name" loft, you need to be sure they do their job correctly and will stand by their work. We bought a new suite of sails
(genoa, main, mizzen) from North Sails
last fall (during the super deal season as someone previously noted), and it was a disaster - I curse them every time I have to raise the main, which was cut too long, meaning I have to drop the boom so it just barely clears the cabin
top. And the first reefing point is too far aft so I have had to move blocks on the boom to accomodate it. And the genoa
was cut too short, and rather than remake it, they "hacked" in an extra length at the head
to make it fit, now it has a funny
kink in the leech. No way would they remake it.
So, two lessons - first, you can't trust even the big name lofts, and second, you should make sure that if the loft promises a "satisfaction guarantee" that they'll stand by it and remake the sails if they screw up - I'd ask them that point blank up front. And yes, the rep did come to the boat to measure it himself.