Waitrose are doing a REAL ALE promotion until 9 November
Fuller's vintage ale (500ml) normal price £3.55 now 2 for £3
Fullers's 1845 strong ale (500ml) £2.36 both may be ONLINE ONLY (Not in the Waitrose's at Angel or Holloway Road) when I checked.
The list is too long to reproduce and varies from store to store, here are the Organic ones with normal prices.
Duchy from Waitrose old ruby ale (500ml) ) Organic £1.96
Brakspear oxford gold beer (500ml) Organic £1.91
Fuller's honey dew golden beer (500ml) Organic £1.92
St Peter's best bitter (500ml) Organic £1.85