I have just found this on another site might come in handy for us all!
Expiry: 31/03/2008
Applies to: Groceries
Instructions: Here's a list of different codes and expiry dates that I've accumulated for you all..... Some of the money off are for a minimum of £60 spend, so if they don't work then you probably haven't spent the minimum...... Another thing.... if you enter all the codes at once they're automatically banked until their expiry date and the best voucher is used each time you do a shop.... here they are... £10 off your groceries 4VRRTWW97G9B 28/10/2007 £6 off yoour groceries BHBV23PLFPPF 04/11/2007 100 extra Clubcard Points BTJVMLLN4Y3N 28/10/2007 100 clubcard points CDF2V6TBY3Q4 09/12/2007 £6 off your groceries MLP7PZLV9MF2 28/10/2007 £6 off your groceries P8PNQPJKN8XT 11/11/2007 500 points when you spend £50 TYHKXJTN78H6 09/12/2007 £5 off your groceries XFR7RY2MV8KQ 31/10/2007 £5 off your groceries XGVQH2YZJKMF 31/03/2008 £5 off groceries ZWXLJTMHZFZQ 04/01/2008