I recently bought a new Hamilton HTK Auto-Cashier. As bad as I wanted the Mars validator, I opted for the Hamilton validator so I would have the option of Tokenotes. I think that they are actually "old school" now, but I wanted to have the option just in case my comp came up with some super promotion using them and I wanted to accept his.
I do not but would I think. I do lotsa stuff to create customer loyalty. And I love the tokennotes. Not old school at all for me; a great way to sell wash pkgs around the holidays, give to employees to run a car thru the automatic, or to issue a free re-wash if a customer has a quality complaint.