Does that indicate the SB2000 has better response and is louder? My SB13 arrives tomorrow. Haha.
Don't see how that's possible with the SB13 cabinet, driver, and power, being bigger.
It seems like you really have your heart set on the cylinder form of the sub. You also seem to feel as though you are getting plenty of output with it, and that you are getting an even better effect from running the RW12d along with it. I don't think this is a bad idea. To me, it basically fills the spot of the mid bass module that HSU offers, the difference being you don't have to go out and spend $500 for it, you already have it. It also gives you the improved in room response etc etc. Keep the PC12. Maybe they will release a PC2000 sometime this year. If they do you have your one year upgrade. Or maybe within that year you just feel like you want more. Get a second to replace the rw12. Point is, if you are happy with what you have, keep it. You have a year to upgrade if you want, and I think you get 5% off, which will help cover shipping. Just my two cents.
P.S. I am thinking about hooking up my PSW110 nearfield to see how it does, much like you are doing. I am going to wait until I have measurement equipment though, and just get the SVS set up for now.