8K so far on my Road Attacks ('02 Bandit 1200), happy with dry and wet handling, and they still have plenty of tread left.
The rear is beginning to "square off" slightly, reflecting my highway commute - if it's affecting the handling, I can't tell.
Only complaint is that the front has developed the same cupping as the original Michelin Macadams, causing the same wobble if you release the bars. I'm inclined to take the blame for this as I was lax in checking the tire pressure - it probably ran down at 30 psi for a long time. And it always feels better as soon as I pump it up.
So, I would buy them again, but would maintain them better next time!