Interesting, but most of the models aren't very complex, the Landmark Series are pretty much just a stack of pieces. At least the Architect Series seem to have a degree of complexity to them, especially Falling Water (which isn't available yet).
Most of those would cost >£50 to buy, which hardly seems a bargain for such simple Lego designs.
Liz's link, on the other hand, is certainly very original and an imaginative use of Lego !
