PlayStation Store this week has a pretty good deal of getting Ratchet & Clank: Quest for Booty for only $9.99 for a limited time only. New downloadable games for PS3 include Mushroom Wars, Topatoi, Buzz Junior: Monster Ralley, and .detuned. Tomb Raider: The Last Revelation was added to the PSOne classic line up for PSP and PS3.
PSP gets new downloadable games (mostly past retail games) as well including SOCOM: U.S. Navy SEALs Tactical Strike, Street Fighter Alpha 3 Max, Midnight Club games, and Harvest Moon: Boy & Girl.
You can check out the full details of update via the PlayStation Blog’s update.