MapShake v 1.0 preview is available here (:don’t forget to put your loudspeakers at maximum and do not hesitate to ‘shake your body’ while watching.. ..and yes ..shake your maps too ! :)
…Feb 2010 update covering friends maps and WMS overaly over the Google maps
∫ ∪ ∧∴ ∋ ∈ ⊇ ∧ 
Hi Stan, MapShake is looking very polished. I like the music too.