The hive in question was light in stores going into the winter and it seems pretty clear there was no honey left in the hive. I doubt it was robbed out as its been so cold; no other bees would have been flying it was so cold. There was some pollen in the hive just an absence of honey.
So I now have to decide what to do with the hive. Some of the frames were new in 2010 so maybe it's time they were now rotated out. But do I retain the other newer frames and the pollen they contain? If I do might I be spreading something harmful to another hive; something that might have caused the hive to die? I need to go some research and ask a few questions.
With luck the worst thing that will happen is that I use the hive as a home for a split I make from the adjacent (currently heavy and healthy) hive. It's just a shame this has happened; I should have fed them more sugar I suppose!