Amazon are doing that a lot. As soon as there's site traffic, the price starts to rise. Best be sure to order your own before posting on HUKD.
It is £569 now.
Optoma hd142x is a bit better to this one comparatively
The wife thinks it's overkill, but she thought the same about the projector until I fired it up. She was engrossed with Mad Max Fury Road and I couldn't get her to watch it on a regular telly in a million years
Ordered, Thanks OP!!!