YESSSSSSS!

Seen by honorh (and undoubtedly many others)

Yes - There WILL be a Gaiman episode! Not this year, but it's coming.

http://www.sfx.co.uk/page/sfx?entry=exclusive_neil_gaiman_confirms_doctor

Now considering he's a big Douglas Adams fan, dare we hope for a riff off one of Adams' stories? Say Return to the Pirate Planet? Must be about time someone wrote a musical episode...