You CAN use a DualShock 3 with Resitance: Retribution on a PSP-1000

In Joystiq's recent review of the upcoming PSP game, Resistance Retribution, they mistakenly take Sony to task for locking out PSP-1000 owners from using the DualShock 3 connectivity that R:R features. This seemed suspicious from what we were familiar with, so we talked to Jeff Rubenstein from the PS.Blog who set matters straight.