Speaking of SVS, it looks like they're going to be following in HSU's footsteps and making their upcoming sealed offerings wireless-capable.

New SVS sealed subwoofer in the AS-EQ1 subwoofer EQ PDF manual? (Eclectic Electronics)

SVS SB13-Plus SB16-Ultra sealed subwoofers (Eclectic Electronics)

DSP, too, and the magnetic grills were always cool.

Not that I feel the need for more subwoofers (for my main system, anyway), but it's always cool to see where the big hitters are headed.