I had Pilot Road 4 (trail) tyres on my GSA. I was more impressed with the 3's than the 4's to be honest.
Now I've changed to Metzeler RoadTec 01's.
Absolutely awesome tyres and they take the piss out of PR4's in every way.
I know this is going to sound very "petty" but is there any chance you post a pic of your bike with the RoadTec's fitted?

