Tesco are selling Bernard Matthews Turkeys for half price as follows:
Bernard Matthews Large Golden Norfolk Turkey 5.405Kg - 7.2Kg Was £40.00 Now £20.00 valid from 19/10/2010 until 3/1/2011
Bernard Matthews Medium Golden Norfolk Turkey 4.05Kg - 5.4Kg Was £30.00 Now £15.00 valid from 19/10/2010 until 3/1/2011
Bernard Matthews Small Golden Norfolk Turkey 2.805Kg - 4.0Kg Was £20.00 Now £10.00 valid from 19/10/2010 until 3/1/2011
The offer is in store and online. Not sure what other supermarkets are selling them for at the moment, but I thought they were quite good price myself. They're self basting and come with gibblets too.