Junior Boys is hot. I haven't listened to their 2nd cd yet... though I have it on order.
Hot Chip is better!
Flaming Lips is... ummm flaming lips.
Radiohead
Postal Service is different... since it is the guy from Death Cab for Cutie...
+/- is hot... they genre hopped from their first to second album. 2nd album is more acoustic and rock than electronic.
The Notwist albums: Shrink, Neon Gold, and Different Cars and Trains EP. Shrink is jazz and electronic mixed in here and their. Neon Gold is really awesome... but really mellow. Different Cars and trains is a complete remix of a few songs from Neon Gold.
Ming & FS is mainly R&B but also electronic
And on a completely different note... you gotta check out Of Montreal... Those guys are crazy!!! (I mean that literally.) If the singer didn't have music I think he's be killing people for pleasure.