I PM'd Bob and he said let er rip...
Here are the instructions I worked from:
The drivers are SB acoustics...sb15nrxc30-4
Vifa...xt25sc90
Coils are 0.1 16 gauge sidewinder
Caps are 4.7 I would start with the PX4.7 Clarity Cap (Personally I like, for a cheap cap, the Jenzens from Parts Express there next up from the cheapest. If you like what you hear and they work, I would then proceed to the Mundorf Supreme, not worth while unless you like the system as a whole.
Note: Cap is on the tweeter, coil on the woofer. The tweeter is wired out of phase. Hole for the W5 is 122mm and the hole for the SB is 123mm (or vice versa) so it will fit if you have already made the hole in your baffle. I had to re-drill the mounting holes because I couldn't get the new driver to line up with the W5 holes.
Go to your local Home Depot/ Lowes and buy some fiber board (Cylotex) like they use for house wrap. It's black on one side and natural on the other side. This was what I used, from the outside to cut my inclosed volume down to almost half.
Note: I cut two peices of material slightly wider than the chamber width and put them in through the existing hole, then wedged them against each side to form an upside down V and pushed them down into place. Then I taped the seams. You want the new floor of the chamber to be just below the driver.
For the tweeter hole, Bob suggested 1/2" distance between the flange of the tweeter and the flange of the woofer.
If you are interested in the theory behind the crossover, the white paper is available from this guy:
http://howtodesignaspeaker.com/BTW, this theory was dissed by the regulars on at least one of the other forums. Coincidently, the same crew that dissed the DNA. That thread got me interested in the DNA and lead me to Decware. I can't thank them enough.