Removing DRM from Kindle books
 

Does anyone know how to do this / what's involved / has done this successfully?

Learn to google smarter! Here's a link from the first google hit for "removing drm from kindle books":

Converting Amazon Kindle For PC Books Now Possible - nyquil.org

I actually did a bit of googling from work--I was just curious if anyone found a tried and true method--according to some of the sites I checked out, they upgraded the code on the drm so the cracks that were out weren't working