Predator change questions.

Hi kids. I'm new on the site, and I must say I'm impressed with this forum. These people lob up the good questions, and you guys knock them out of the park. Well, it's my turn.
I have a Lucasi L-2000 sneaky pete. Nothing special. Not even a uni-loc. That's why I love it. I just made a major change when I took the weight bolt from the butt of this cue. Since the removal, I have grown very close to it. I have found the weight and especially the balance greatly improved. Now I want the best for it. From what I understand, that means adding a Predator shaft.
Now, on to the questions. First, what do I expect from a weight and balance standpoint? My current shaft is 13mm. I plan to thin that to 12.75 or 12.50. What kind of $$ am I looking at if I send it in to be custom fitted(matching shaft, no rings or collar)? How should my shaft care habits change or not change? Tell me everything, guys. I'd like the Predator rep to get a look at this.
Finally, tell me this. Am I better off retiring this to just a break cue and buying a Predator sneaky pete to play with :?: :?:
Bring it on fellas. Any tips, suggestions, or recommendations are welcome.

[New Kid In The Hall]

I have a Predator SPWU and a Lucasi L-2000SP (both uni-loc). I had the predator hand picked so that the predator wood to wood shaft would fit perfectly on the Lucasi so I could use it on both.

FYI, 12.75mm is standard diameter for Predator shafts so if you do go that route, you would not need to turn it, but you might want to send you butt in to get the shaft mated properly since there is a bit more variation in the wood to wood versus the Predator shafts made for the stainless joints.