Ok I changed the load order - I should have mentioned I am testing in Chrome and Firefox. They both exhibit the same result for me.
I opened a ticket here: http://code.google.com/p/gmaps-api-issues/issues/detail?id=3914&thanks=3914&ts=1328816324 Please star the issue if you are having the same problem. -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-maps-js-api-v3/-/9SkuCfJPfroJ. To post to this group, send email to google-maps-js-api-v3@googlegroups.com. To unsubscribe from this group, send email to google-maps-js-api-v3+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.