Sure, these sites look nice -- a major achievement when Drupal has HTML sprinkled throughout the source -- but is there anything interesting from a coding, interface or interactivity perspective? These sites could be static HTML. (And probably are since you need a cache in from of Drupal for any amount of traffic).

The only Drupal site I've seen which actually did something interesting was a site from the last canadian election:

http://www.voteforenvironment.ca/