Regarding Scott Nixon's USB DACs :
He may not have been responding to emails for some time (I read that this was the case on another forum), but sent him one anyway, and in fact he responded a couple days later with the following info :
"TubeDac+ is currently 3 week wait (pcb is out of stock) and USBTD is about 10 days".
And this which seems to be written for his site :
"USBTD shipping NOW! This first version will share the ABS enclosure of the exisiting TubeDac and have the same pricing, $475. By May 06 I will have a new custom chassis for the USB version and price will go up to ~$750 or better. See it on web page: www.scott-nixon.com/dac.htm"
Regarding the Wavelength sound :
I can tell you what I discover when the Cosecant I've ordered arrives, but everything I've read seems extremely positive for either the Brick or the Cosecant. One reviewer (don't remember if it was Art Dudley or another) alluded to the Brick as having a slightly tubed character (fine with me)...