I’d happily share the solution, but I don’t have one. Just suddenly started working at appropriate speeds again. I’m not sure why.
Also, Firebug shows that everything ON the page loads quickly. It’s actual page itself that is taking so long.
See Pingdom results to see what I’m talking about:
http://tools.pingdom.com/default.asp?url=http://www.dolphinsdock.com/&treeview=0&column=objectID&order=1&type=0&save=true