The following products will support the 64-bit version of Photoshop CS4 (Vista and 7 only).

Plug-in Suite 5
Genuine Fractals 6.0.4 (Standard and Professional Edition)
PhotoTools 2.5 (Standard and Professional Edition)
PhotoFrame 4.5 (Standard and Professional Edition)
FocalPoint 2
PhotoTune 3

If you have older versions of the above plug-ins and a 64-bit computer and version of Windows you can still install and run the 32-bit and [...]