OK - the interview with the Wasps guy (Chief Operating Officer, I think) is here, 49 minutes in.
http://www.bbc.co.uk/programmes/p029h1n0
In a nutshell, they have sold 2,700 since October 20th, in the half-blocks that have been opened so far. Described this as 'sold-out', i.e. we've sold-out...