I'm on the mailing list for Calumet and have just been sent their latest newsletter. They are doing the Metz 58AF-1 for a steal of a price:
http://www.calumetphoto.co.uk/store/...?t=CM02&a=CM02
Offer lasts until 30th May or until no stock left. This really is a super flash gun, I have one in Pentax fit and cannot rate it highly enough.
Duncan