Aphex Twin, Julian Cope and Seasick Steve are amongst the first artists confirmed for this year's Portishead curated ATP Nightmare Before Christmas. Also on the bill are the likes of Sparklehorse, Earth and Black Mountain.
The event takes place at Butlins in Minehead, of course, from 2-9 Dec. See here for info and all that: http://www.atpfestival.com/events/portishead.