The slot is still there, but it's taped over with a message about internal mem.
I was checking out the TomTom store, and you can purchase different voices. One is a mobster telling you to get in his limousine for a ride you can't refuse, there's John Cleese from "Monty Python", a New York City cab driver telling you to git in, move it, da meeders runnin, and several others.
They'd be fun for a while, but I prefer the soft sweet smelling lady over the fat stinky cabby.
By the way, I just downloaded a fix that allows it to aquire the satellites MUCH faster, even when surrounded by tall buildings and trees.