Ok...i can understand your desires are not for the "cool factor", but your going to spend a ton of cash for those bragging rights or epic VR6 status.(same thing as "cool factor" in my eyes)
Will you be assembling the motor yourself? Ever blueprint a motor before? Do you own the tools neccessary for the job?
For a decent machine shop to line bore, bore your cylinders, hone, etc. with you doing the assembly yourself you will still spend $1200-1500 just on the simple stuff. For them to assemble your short block for you, add $2k to your final price. Thats not counting work needed on the head. Everything for the 24valves is expensive in comparison to 12v or 1.8T parts. I think for what it will cost you and the extra hassle, stick with just a spacer on a stock block. These motors are still "Epic" with a spacer and boost....you will still be very happy and impressed with how it turns out.