Look likes there are plenty on Amazon:

http://www.amazon.co.uk/s/ref=amb_link_85410373_23?ie=UTF8&search-alias=DVD&bbn=501888&rh=n%3A501888%2Cn%3A383380011&pf_rd_m=A3P5ROKL5A1OLE&pf_rd_s=left-2&pf_rd_r=0KSJ325F6CZBZYNNAA11&pf_rd_t=101&pf_rd_p=220318587&pf_rd_i=293962011#/ref=sr_pg_1?rh=n%3A283926%2Cn%3A%21573406%2Cn%3A501888%2Cp_n_binding_browse-bin%3A383380011&bbn=501888&ie=UTF8&qid=1291910115

Plus if you are interested, classical from the likes of the Royal Opera House and 2L websites (& probably a load more sites)

http://www.2l.no/

http://www.roh.org.uk/merchandise/showcase.aspx?showcase=103&category=432
Hope this helps

Z0: 861v8+ID41+Roon on a QNAP, Naim NAP300, Sonus Faber Amati Anniversario

Z1: Arcam AVR-450, Oppo BDP-103D, SkyQ, Apple TV, Kuro KRP-600A, Sonus Faber Guarneri Memento & Cremona Center M speakers, Martin Logan Descent-i Sub, 2 B&W wall speakers

Z2-6: Roon controlling MC600 Zones into Parasound amps to B&W ceiling speakers