I was after an impact driver for a while and spotted this deal on B&Q.
They are 18v Lithium Ion and come with two batteries and the charger.
It's £142 if bought online with free next day delivery.
It's a really good deal because the impact driver and one battery can cost more than this usually and this time you get the full kit.
Makita is waaay better than Dewalt / Bosch / Milwakee
The batteries are not compatible with the LXT range of Makita tools but since you get the drill and the impact driver you probably don't need to use the batteries with anything else.
Closest I could find to this was on eBay for £184 for same deal.
£4.97 cashback on TCB/Quidcrap.
Note: Looks like the deal is ending today. Order before 7pm for next day delivery.