As far as I can tell, this is the best price currently out there for a brand-new Wii with the Sports Resort pack. Okay, so it doesn't come close to the deals at PriceMinister and Dixons from a few weeks ago, but it's the best out there right now.
UK delivery is free. Offer limited to one per customer. Pre-owned version also available at £79.99, which isn't the most competitive of prices.