They supply individual parts and kits. Instructions are supplied too (also on their website):
http://classdaudio.com/index.php/You're basically on your own for the case, but just about any enclosure would work. For now, I'm just going to assemble it on a block of wood. If it sounds great (like most have said), I'll probably build a nice wood enclosure.
Tom also buys in bulk and will pass the savings on to you. The 1000VA toroidal transformer would go for $100 alone unshipped if I tried to buy it myself (sucker weighs in at 18 lbs alone).
Read through the thread link I posted above if you get a chance. There are some wonderful examples of systems put together, as well as some nice DIY cases. I'm pretty excited about this...
