Well, it looks like you can get a 190 right now... but I need a 160 rear and retailers have told me mid to late July over the phone.
http://www.motorcycle-superstore.com/14/72/962/60306/ITEM/Dunlop-Sportmax-Q3-Rear-Tire.aspx
Also, I'm guessing burning through a set of Q2's in one day is...