Yermo, as you know, I changed four tires in my garage on Saturday. My buddy got his from Southwest Moto 1) and paid $297 for the set of Michelin PR3 (120/70/17 and 180/55/17) delivered. I got the exact same set for $299 out the door from Coleman Powersports mainly because I have such a good relationship with them (read: I spend a ridiculous amount of money there). Southwest Moto is widely considered the cheapest and best tire source from what I read on the FJR forum.
As for mounting, me and said buddy bought a Cycle Hill tire changer for $485 and I got a Marc Parnes balancer for $115
Motorcycle wheel balancer products by Marc Parnes - learn how to balance your own motorcycle wheels and tires, complete parts list and prices included.
). We have now done two sets of tires and I will do a third in the spring on the BMW. We are looking for additional "investors" for the machine to make it cheaper for all of us. If two more people buy in, it will have already paid for itself.
I am eating the cost of the balancer and I have the cones for my Yamaha and for the BMW so that covers a lot of bikes. And by the way, balancing is easy.