Sony just dropped prices on their Playstation VR systems, from $300 to $200 through March 3rd, although there is a caveat. The standalone VR headset doesn't come with the camera you'll need to actually make it work (what?), but there are some bundles out there right now that will give you everything you'll need out of the box, and they throw in a "free" game, but obviously the price goes up.
Here are the best bundles, in my humble, humble opinion:
The Doom VFR Bundle gets you the PSVR headset, a PlayStation Camera, Doom VFR and Sony’s VR Demo Disc 2.0., for $299.
Alternatively, you can get away from howling, bloodthirsty demons and fight howling, bloodthirsty creatures of faerie with the Skyrim VR bundle. The Skyrim bundle gets you the PSVR headset, a PlayStation camera, two PlayStation Move controllers, the PSVR demo disc, and Skyrim, plus all applicable downloadable content for $350.
Finally, there's a Gran Turismo bundle for you gear heads out there, set at $199. This bundle comes with the VR Headset, VR demo disc, PlayStation Camera and Gran Turismo Sport Blu-Ray Disc.