Sals:
http://www.megalithic.co.uk/mapserv/
All ready and waiting for you...
Maps to look further East and the Americas are in the pipeline... (the tombs currently shown in the sea are actually in Jordan but I don't have any map background added yet)

Holy:
> We'll be decommissioning the TMA map at some point, as it just can't handle the ever-increasing site data :(

I said from the start that Flash on the client wasn't the way to do it :)