While that picture is not the boat, I did find this 'for sale' advertisement in the UK from http://www.f18.org.uk/advertisements.asp ...it appears to be a Tiger:

Quote
Type Hobie Tiger Age / Year 2001
Price 6,250 Telephone: 07786624230
Contact: Ed Barney Email Address: edgbarney@hotmail.com
Description GBR 921, 1st Tiger at 2004 F18 Nationals. Excellent condition. Nearly new square top mainsail, 2 jibs, 2 kites. Trailer and lots of other extras

Jake Kohl