The announcement on the PlayStation blog is crystal clear:

“Feel the Shock Next Week! Rumble is back with the DUALSHOCK 3 wireless controller for PLAYSTATION 3. These are shipping to store shelves as we speak, so be on the lookout for them next week.”

The announcement also include a long list of games supporting the rumble feature. Do keep in mind that some of them will require a patch in order to get the feature working:

– Formula One Championship Edition (patch required)
– MotorStorm (patch required)
– High Velocity Bowling
– MLB 08: The Show
– Uncharted: Drake’s Fortune
– Resistance: Fall of Man (patch required)
– Ratchet & Clank Future: Tools of Destruction
– Go! Sports Ski (patch required)
– Folklore (patch required)
– Heavenly Sword (patch required)
– Warhawk (patch required)
– Super Stardust HD (patch required)
– Snakeball
– Toy Home
– PSOne Emulation
– Piyotama
– PixelJunk Monsters
– Blast Factor (patch required)
– Condemned 2: Bloodshot
– Lost: Via Domus
– Tom Clancy’s Rainbow Six Vegas 2 (patch required)
– Burnout Paradise
– Dynasty Warriors 6
– Devil May Cry 4
– Dragon Ball Z Burst Limit
– Turok