UPDATE: There may be a few cheaper bundles left without the PS Plus sub, for £399.85, but they're going fast!
Launch Day PS4 Console + Killzone: Shadow Fall + 1 Year of PS Plus
ShopTo | £435.85
The saving over most other sites isn't anything special, but ShopTo seem to be the only site that are still guaranteeing stock in time for delivery on launch day. They aren't selling any solus consoles, but this may be your best chance of getting a launch day model if you haven't pre-ordered one yet. If you're more concerned about getting your console by Christmas, Game are still taking solus pre-orders that will arrive beforehand.