PlayStation VR. From Very, for £319.99 until 9am Monday morning using code: KKCXV
Code gives £30 back on orders over £300.
Also this is available with 12 months interest free. Which would work out at about £26.70 p/m.
It's got delivery date of 16th of December but after speaking with one of their agents, they confirmed that it would be despatched as soon as they receive stock from their supplier. And would probably be a lot sooner than the December date.