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Sorry, no information is available for the URL www.widgets.comFind web pages that contain the term "www.medicalengineer.co.uk"
I'm going to cry... I swear it was fine a few days ago... and I've had no (0) downtime :S
<added>I'd not mind if the PR was mixed up... but I'm not there AT ALL... searches don't pick me up for my keywords... surely that's not an `update bug`?</added>
Your site however may have been unreachable by Google though. Since you say your site isn't dirty, odds are you'll be out of the index for just this month. There is still hope this is Google Dance flakiness, but expect the worst.
The content is not duplicated in the same dynamic page, nor are the pages available elsewhere.
Some have PR (allegedly), but have no cache or info in the index, despite having had it before for a long time.
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The pages that have PR seem to be some kind of generated PR, not real PR.
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i'm in dmoz, and have a number of other good PR links, normally rating highly on those terms i chosen
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Sites that are banned/penalised usually show up in a url search, but not for anything else. I don't think that the content of your site is responsible for your site being out of the index. My best guess is that for some reason Google were not able to index your site (as rfgdxm1 said).
I've had several pages inexplicably disappear in this "update", showing grey bar, with nothing dodgy about them. For some reason Google just didn't find them, or lost them, or who knows what, (they're still in 5 of the 9 datacentres).
Things might get sorted out next update. It might take until then, Vince, but they should come back eventually.