Picked one up a few months ago and drilled it, but never used it that much until the last two weeks of league. Scores in the two weeks I've used it: 165, 235, 221, 251, 214, 184 (211.7 avg.), which for this lowly 195-average guy is pretty nice. The fact that the last three scores came on a heavy carried-down post-birthday party shot tonight in scratch league makes it even nicer.
I've been hit-or-miss with Roto in recent years (loved the Retro Resurrection, so-so on the Saga and Silver Streak SE), but this thing's a winner. Right now it's the first ball out of the bag, though I had to bag it a couple of times in those two sets and finish with a Chainsaw.
Just when I find a core/cover combo I like, they discontinue the ball. Figures. (g)
Jess