Thanks to Welsh Wizards heads up on the vacuum sealing thread I've got one of these:
"Hi Both, yes I use this company a lot for bits and bobs and find their goods to be of good quality. Interestingly this month they have a discounted fish knife (�4.99) which looks just the job for my smoked salmon!
It is superb!!!!!! lovely balance, razor sharp, goes through dry pig skin like butter