Hi, dumb question... what's the easiest way to change your admin name and password if you're not going to reinstall OS X? Thanks, and sorry for the dumb question. I imagine I could figure this out pretty quickly, but I have been without a mac for a little while now and I'm going to purchase a 12" PB tomorrow that doesn't come with the install discs. I don't want to be trying to figure it out during the sale. Thanks again!