I'm an aptitude user, but I learned the hard way that you need to switch to apt-get to do a dist-upgrade. Something broke. Can't recall what it was - I think I

I'm an aptitude user, but I learned the hard way that you need to switch to apt-get to do a dist-upgrade. Something broke. Can't recall what it was - I think I was dist-upgrading to Squeeze, so it was a while back.