€306,39 equates to £259, give or take 12p either side.
Out of stock on Amazon UK. Available to order for both variants on the .fr website.
As far as I am aware, the Switch uses a USB type C power connection which can easily be obtained.
If people are worried about currency fluctuations, buy Amazon France vouchers, plus you also get 5€ for topping up your account with 100€https://www.amazon.fr/b/ref=fr_topup_nov16_swms?node=11989595031