FOund one on Evilbay about a month ago - complete with giving set etc! Only paid £8!
Simon
Edit:-
Just checked Evilbay - Strikeforce have them on buy it now for £12.
http://cgi.ebay.co.uk/Green-PLCE-Ar...photoQQcmdZViewItemQQ_trksidZp1742.m153.l1262
I have bought off them in th epast and had good service so may be worth a punt!
Simon