It ended up going for $425 + shipping.
That's a little steep for me, especially after our experience last night with the DTS track on "Butterfly Effect". It was absolutely screaming loud at -25 on my receiver. Great sound, good movie.
Between the 2 channel onk amp and the second sub there is way more volume available than I need for HT. But I'm still thinking about it - in fact, I have a bid in on a lower priced amp that I'm not going to tell you guys about.