Well they eventually replied:
Quote
For sale is the vertical DSP5000C (in the photo). There are 2x DSP500 Smiley speakers (also in the photo) and 2 x DSP500 oblong speakers. This set will not be split or sold as individual pieces.
and still for an utterly ridiculous price given their individual market values.

Lounge: DSP33's, MS200, QNAP (Storage and Core), G68D, HD421
Family Room: DSP5000
Kitchen: F80
Portable: Explorer2