I use Wafler Farms in Wolcott, NY. We run a small apple tree farm here - I've planted competitive tree with theirs and theirs almost always fruit sooner. The main guy there - Bill Pitts - is a hunter too. They create "Deer Packs" which he puts together 10 trees of various ripening periods so the deer come early and stay late in the year.
They only bareroot - better success and they're about $10+ a pop unless you order a bunch. I planted 70 from them this year and they've all survived our dry summer.
I belive it's waflernursery.com