Hey Palm,
I did what you suggested and used a older blockchain backup, restored that, restarted 1.5.1 and now all of my minted/staked coins are showing up with a ?, before they had 5-10 confirmations each, before the sync problem.
Is there anyway to access the staked coins, or are they lost now?
http://i.imgur.com/it38l4N.pngThanks Palmdetroit.