Antique Rose Emporium
I recently ordereded plants from this vendor and was very happy with what I received. Large, happy, healthy ross that were well packed in a specially designed box for shipping.
There selection is extraordinary and all of their plants go for one low price. If you have your heart set on one specific cultivar and can't find it anywhere else give these guys a shot.
Here is a link that might be useful: The Antique Rose Emporium