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Woohoo...it's back.
I finally got back to the admin page, and the blocks that were visible all had 0's in the left block column, so I renumberd the blocks, saved it, boom the site reappeared!
Right now I have no idea how it happened as other than running XOOPS care on it's own, I've not been into the database at all lately.
Very strange, db related for sure, and I want to thank the members that responded helping me poke around the site.