Good news for fans of the comic. I'm interested, but need some reviews and some demo time in with it first. 1600 points is a fair bit.

"The first episode of Penny Arcade Adventures: On The Rain-Slick Precipice of Darkness has been officially dated for May 21, 2008, coming to Xbox Live Arcade and Windows, Mac and Linux. Cost to you? $19.95 USD or 1600 Microsoft points." (Kotaku)