^^^Nope...not at all like drifting (if you are, you're scrubbing off speed).
And, nope on the e-brake.
Check this out for some good info:
A Novice Guide to Autocross
And, yes, by all means, try it out sometime if you have the chance!
I've got several vids of my runs here: (though, I don't have anything in there from 2006 yet)