Thanks for sending me a sleeve of test balls.. it is a very cool thing you guys are doing.. the prov1x is the only ball i have played in the last .6 years.. might have to wait for my feedback on them here in michigan it is gonna be a high of 50degreees..dont get me wrong i will still be playing buy when its cold like that  its hard to judge the distamce control and spin on the hard greens when it is cold.. thanks again jj