Gigantor dates for your diary, should you not already have them in there:
16th April, 28th May
Saturday in both cases, Park Room / Underground / whatever poncy name they're using for the place by then, and I assume 9 until 3 and the usual cost. Certainly the usual sorts of music, unless you get very lucky.
In other news, The Guardian has today printed some lovely instructions for knitting your very own wooly hand grenade. Unfortunately the webshite doesn't have the photograph of the doubtless delightful finished article, but there should be enough information there to make your own, doubtless in an exciting range of fun colours.