Great GTX 1080, as it will fit in pretty much any case, even those little ITX ones!
You also get a 5 year warranty from Zotac if you register the card.
Dispatched & Sold by Amazon.
Once in the basked the card is €502.78, then the shipping is only €6.35.
Paid for in € with a fee free card, including shipping it comes a total of €509.13, which translates to £458-459 depending on the card used, and exchange rate when you check out.SEE EDIT BELOW
2nd EDIT: Now down to £448-449, € is not at 1.134:1£
3rd EDIT: This is now available at Amazon.de for only €499 - shipped, so £440