Seems like a great deal if you don't have an AMEX card.
Use Quidco for a stated 11% cashback.
Enter code IMAGING50 at the checkout to reduce from £549 to £499
Claim £200 cashback from Panasonic.
Potentially as low as £244 net. My Quidco has initally tracked at £38.18, suggesting £260.
Hope this helps someone.