I've recently purchased an OB+ Pro shaft for my Schon STL3. This is the first low deflection shaft that I've owned. It has taken a little getting used to, however once you've gotten used to aiming straight instead of adjusting for deflection you can control the cue ball quite a bit more (at...
My preference is the OB +Pro. The hit is very crisp, and the claim of 'Ultra low deflection' is true in my experience.
TwistedToby
Schon STL3 w/ ob +Pro shaft