Another Robot Sunset is Postal Service meets Commodore 64. They are pretty much your typical 2-white-dudes-and-a-robot hip-hop group. Here's a snippet from their bio:

cadence used to be a rapper. then he died. but he died while jacked in to the matrix, and an imprint of his personality and rap skills was preserved on his deck. this deck was purchased by a delightfully nerdy scientist named paul padgett, along with a poster of 2Pac that said "Only God Can Judge Me" and a previously unused Roomba. [Read more]

You can grab free downloads from their Amber EP on Virb or thesixtyone. And check out their music video for Angels in Airplanes: