We rented the sander from Home Depot bright and early one Saturday morning and went at it. It ended up being a lot more work than we though, then again you can say that about any reno project.
Here's some before and during pics
Like our rockin stereo
Fixing big nails that were stickin out
Magnum was not impressed that we took away his viewing dresser
Taping off the stairs
For the after pics click here http://townhousetrials.blogspot.com/2010/01/flooring-pt-2.html