I'd get in touch with David at support in Cambridge (UK) if I were you. He's really good and would probably have a new PS in the post to you in no time at all. It's not like they are the kind of thing you can fix or anything, and I'm pretty sure your warranty is good for 1 year.
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(list 6284, Mk1 S/N 00299 4GB blue [sold]. Mk2 S/N 080000094 20GB blue)