The Dark Magenta website has information about the Inquisitor Grand Tournament.
From their announcement:
The Dark Magenta Website has updated with the information pack for this years Inquisitor Grand Tournament!
From the announcement by Dave Knowles, this years organiser and past champion:
The 2011 Inquisitor Grand Tournament will take place at Warhammer World on Saturday, 26th March 2011.
The briefing pack is now available from the Dark Magenta website (PDF link).
Tickets are £10 in advance until 14th March, or £12 on the door.