If you are heart set on a Wabi, then there is no changing your mind... It does seem like a more comfortable geo, and on paper it does weight less... That being said, I feel my leader is light, even with the Veeps+FOER41... I think switching those wheels out would make a HUGE difference, but I also vote for a Wabi.

Price wise:
Frame - $150-$250 depending on the market
Fork - $75-$150 (Not quite sure how to price forks, but I've noticed carbon forks run around those ranges)
seatpost+saddle - $20-$40 depending on buyers
Nitto Bars - $30-$40
B43's - $175-$225
Crankset - I can't seem to find any info on the RPM Power Spline, so no comment.