We hope you've kept your Vitas charged, because this week, there's stuff you can do with it. Resistance: Burning Skies is available on PSN, as is the demo for Gravity Rush. Try it and see what we were talking about!Speaking of excellent games, Rayman Origins is now available digitally on PS3 for $29.99. It's joined by the PS2 party game Rayman Arena, which is ... maybe not quite the classic Origins is. See everything that's out today on the PlayStation Blog.