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Are there any websites (not associated with the owners, of course!) that store and/or keep track of deleted questions and/or answers, like Deletionpedia does to Wikipedia, and YouTomb does to YouTube?
Do you -really- want to see the deleted content? Let me tell you...99% of it is garbage.
I would suggest that you could mine the data dump if you are that interested. If the data is visible to 10K plus users, it should be available in the dump.
Deleted questions and answers are visible to users with at least 10k reputation points (and moderators)