I'll tell you what is ridiculous, is someone like yourself making statements with little or no knowledge of what you are talking about.
I have a Kersenbrock that was made with a titlest blank, I also own a Balabushka that was also made with a titlest blank. These two cues shouldn't be called custom cues?
As far as anyone knows Balabushka never made his own blanks so he isn't a custom cue maker? He just took someone elses points, slapped on a joint and a butt cap, made a shaft and actually called them custom cues!
Searing has made a lot more entire cues than conversions. If I had my choice I would rather own a cue that was made entirely by him, but if this cue was it would be worth much more than $1,500.
Every cue maker that I know of has done some conversions, I have a Gilbert that has Szamboti points, and have been offered 5K for the cue.
I am in the market for a Balabushka using Szamboti points if anyone know of one by the way!
I don't know what cue you play with, but I would hazzard a guess that it won't increase in value as much as a Searing.
If playability is your only concern a one piece cue hits about as good as anything. Put a proper tapper and a good tip on a house cue and it will play great for about $50.