I've been using a KC J/B for about 2 months, it is the best J/B I've own! In over 50 years of playing pool...I've own a lot, including a BK2 and Icebreaker. This cue comes with 2 shafts! One is a "legal break" tip (like the Icebreaker, leather surrounded by phenolic) and one is totally phenolic. This cue also jumps like a dream with either tip! The price is right and it even comes with a 100% 30-day guarantee! And, regardless what anyone tells you, this cue is made in Fremont CA! Here's is the link: http://cgi.ebay.com/ROSEWOOD-EBONY-KC-Custom-JUMP-BREAK-Pool-Cue-200-/350468538812?pt=LH_DefaultDomain_0&hash=item51998d81bc
BTW, I have absolutely nothing to do with this company...I'm just a happy customer. I'm averaging 1 eight on break out of 8 breaks with this cue! I love it! Try it...you have nothing to lose!
Check out these from Jim as well. The cue pictured at top is mine and I can tell you that it hits fantastic. I can use it as a player as well. Buy whatever you want, but, consider this type of conversion as an alternative for around 250.00.