I'm looking to change my actuator out as well but am having a hard time finding concrete evidence that justifies buying one.
My car will hit peak boost (21psi) then immediately fall off quickly from there down to around 12 psi IIRC. My tuner thinks the wastegate is weak and staying open.
Was on Forge's site and didn't see an actuator specifically for the VF52. Did you get your problem solved? I know this is an older thread just didn't see any responses or updates.