Share 'Typing Vs. Longhand'

Okiekokie. The question is this: as a writer, do you prefer to type your "raw" material, or are you in the habit of scribbling it all longhand then typing it up? And, of course - why? Historically, until the start of this year, I'd written absolutely everything - upto and including school essays - on the 'puter. Notwithstanding the fact that my handwriting and spelling skills (damn autocorrect...