Color me unimpressed
I spent nearly a day faffing around trying to get the wifi working under Mint 14. This was on a Dell laptop with a Broadcom 4311 card. Its a good thing that I remembered a lot of the CLI commands from my HPUX days in the 80's, because I had to spend a lot time in there trying to get things to work.
I was also unimpressed with upgrade instructions for the new distro that started with: "Make a backup of your data and applications": Looks like it will be a while upgrading to a new distro.
Finally, I left the system running overnight downloading software. When I went to check on it in the morning, the system was completely frozen. I had to hold down the power button to reboot.
I had been using Unbuntu, where things just worked, but did not like the Unity interface. Heard good things about Mint, but did not experience them.