Anyone in the UK moved to buy this product might encounter a few problems, in that it's not distributed via the retailers you might normally go to. Macbeth, at least in the UK, seem to have a fairly restricted distribution policy. I got mine from colourconfidence.com.
Incidentally, there's another great review of the ColorChecker from the UK Northlight team, which you can read here,
http://www.northlight-images.co.uk/reviews...passport_1.html