Lewis has provisionally booked the Jean Elaine, diving 22-27 May 2011 (arrival and departure dates are 21 & 28 May). The price is estimated to be in the region of £400 each if we get a full boat.
http://www.jeanelaine.co.uk/
There are already 7 people signed up so you need to let him know ASAP.
More details will be posted when available.