I have not done that particular ride but I have done many similar week long supported rides including RAGBRAI, GOBA, XOBA, Bike Virginia, DALMAC and Bon Ton Roulet. They vary in both cost and amenities (some include all meals, some include some meals and some you are completely on your own for food) but all have been a lot of fun.
Most of them are "loop" routes, i.e. you park your car for the week and the route takes you back to the same location at the end of the ride. A couple were point-to-point rides and had bus transportation for you, your bike and luggage from the end point, where you left your car, to the start (XOBA) or from the end of the ride back to the starting point (DALMAC).
How is The Erie Canal ride going to get you from Albany back to Buffalo?
An advantage to this type of ride is you don't have to pack particularly light since your luggage is transported for you. Don't go nuts with the extras but you can take some comfort items such as a roomy tent, a camp chair and extra changes of clothes without burdening your bike. I take enough riding and off-bike clothes that i don't have to do a wash during the week. I've got better things to do than spend an entire afternoon in a Laundromat!