Act fast and you can get the Nook Glow for £69 and the Nook Touch for £29. You can find the ereaders at Argos, Currys, and Sainsburys, and B&N has also dropped the price listed at www.nook.co.uk.
And if ereaders aren't your thing, B&N has put the Nook HD and Nook HD+ on sale. This offer isn't available direct from B&N, but I have checked the websites of Argos, Currys, and Sainsburys and confirmed that they are offering the Nook HD for either £129 or £119. That's a nice discount from the regular retail of £159.
The Nook HD+ is also offered at a £30 to £40 discount at Sainsburys, Argos, and the Nook UK website, down from the original retail price of £229.
wasn't announced by B&N, but it does seems to include all of B&N's retail partners. Perhaps this is how B&N plans to be more aggressive in competing for readers. Competition is good, but I do wish they had gotten aggressive last year or the year before.