Man, I hate when people just link off to their ride reports posted elsewhere.
But man, this posting shit it too much work!
All the days are on my blog here: http://bitingcat.wordpress.com/
If you're too lazy to click there here's the cliff notes:
Day 3 - Rain and EPIC riding in Spearfish canyon
Day 4 -- Rain and Rapid City
Day 5 -- Rain and Caving and Mt. Rushmore, and dragging knee off a Jackalope in Wall.
Day 6 -- Missile Silo, Badlands National Park, Home