Just got this email from UA:
Holiday business-class sale to Europe

The weather outside will soon be frightful, but the business-class fares are delightful. Visit Europe in business class for the holidays for as low as...

$ 924*
Taxes and fees

Book Now
Complete outbound travel between December 19, 2009, and January 1, 2010. Complete return travel between December 25, 2009 and January 9, 2010.

The 924 e/w fare is for IAD-LHR, bunch of other city pairs here:
http://www.united.com/page/article/1...usClassFSEmail

pretty decent price IMO.