To begin with, this is a ball that I acquired second-hand. The ball began life at 15.91lbs with 2.2 ounces of top and a 2-3" pin (per box). I had the fingers plugged and redrilled to adjust the span, but left the drill pattern (label per Lane 1 specs, 7/length, 10/backend). Pin is at about 2:00PM and down from ring finger, CG is just above thumb.
I throw med speed with med revs...more or less a tweener, although with more hand than many women I bowl with.
First time I used the ball was Friday on a typical synthetic house shot that had been in play the better part of the afternoon; decent oil remaining in the heads but with carrydown. Synthetic lanes. First few frames I was trying to get lines up, and was standing with right foot on 22 (my usual spot) and found that the ball was coming in high, snapping hard on the back end at about the 45-50 foot mark. I finally got lined up and was standing on 28 trying to get out to about 5 and carrying most of the pocket hits. The ball, as others have noted, is very speed subjective. Let up on the speed, and it will try to run high. No nasty splits on pocket hits, although I did see a higher number of 9-pins than usual. When I shifted to my league pair, I had a tighter line by a few boards, and with the tighter line left more 10-pins than I expected.
2nd time to use the ball was also on synthetics for a tourney. From the outset, others were struggling with an apparent OB and were still trying to play down and in. I do not know the precise pattern that was put down, but the OB suggests that it was not a typical house shot that we all have come to despise. In practice, I found that I could bump off of 8 at about the 50 foot mark and come back to the pocket. If I got it out a board or two too far, it still tried to make the turn and hit with enough authority to mix things up to kick out the slop, leaving me with only a single pin. In the first game, I was trying to play about 20-8 but started having a problem with dropping my shoulder. As long as I maintained form, though, the line played great. I was one of the only women playing that line, so it held up fairly well through the six games, although I was closer to 24-6 by the last game.
As I indicated, this is a new ball for me (fewer than a dozen games), so I am still working on trying to figure out the best conditions and adjust my expectations. A follow up review will be posted after a few more events.