I will sorrowfully tell you that there is little Tilly left at Niagara Falls CC and that what is there is a combination of Trent Senior and Cornish. I don't know Binghamton, but I haven't heard rave reviews on it from the treehouse monkeys.
My Erie Canal Trail would go like this:
PRIVATES
Southern Ontario/Niagara Falls CA-->Cherry Hill & Lookout Point
Buffalo/Niagara Falls USA-->CCBuffalo, Crag Burn, Park Club, Stafford (we claim it, since it is halfway between)
Rochester-->CCR, Oak Hills (boaf of dem), Irondequoit, Midvale, Monroe, Cobblestone Creek
Syracuse-->Onondaga, Yahnundasis, Bellevue (Ross)
Albany-->Troy, Mohawk, Olde Kinderhooooookah
PUBLICS
Southern Ontario/Niagara Falls CA-->Niagara On The Lake (oldest course in North America), Whirlpool, Hunters Pointe
Buffalo/Niagara Fals USA-->Seneca Hickory Stick, Diamond Hawk, Byrncliff, Harvest Hill, Arrowhead, Ironwood, Fawn Nine at Deerwood
Rochester-->Greystone, Mill Creek, Durand Eastman
Syracuse-->Timber Banks, Green Lake, Seven Oaks
Albany-->no clue...is there anything? Copake close enough?