Maxi Cosi Priorifix Black Reflection Child Car Seat Cat code: 298125-0
Selling in most places for £225.00, but £199.99 at Halfords
10% Discount code: AFFREG10 briings it down to £179.99
5% Quidco (online purchase) which sould bring it down to £169.99 (but I haven't included as not guaranteed).
Just purchased one and I can't find it cheaper.
Also free delivery.