Here. Looks pretty cool, to be honest. The PS3 headset will cost $49.99 for the standalone version, with the SOCOM: Confrontation bundle costing $59.99. It is expected to launch this summer, and there are no pricing details for Europe as yet.
The PSP GPS unit hasn't been priced yet, but Sony's promising it'll be "competitive" to rival products. There's a picture of it working through the link.