I never really got into dance music. I assume it harks back to my childhood—I briefly lived in a rural town and my father discovered that the livestock had been "tampered" with the exact same week that The Pet Shop Boys were on tour some 640 kilometres away. I recall him being fairly intolerant of the genre after that incident.
Anyway, here is Polite Dance Song by The Bird and the Bee, which has a pretty amazing conceptual film clip:
If that actually doesn't qualify as dance/electronica, have Get Shaky by the Ian Carey Project: