Someone noticed this on the DC Forums for the cheapest price (UK) that they could find BOOH.
http://www.mx2.co.uk/acatalog/MX2_co_uk_PC_Shooters_M_R_69.html
..has BOOH coming in at £12.95, which is around 19 Euros? Painkiller itself is at £15.99.
Has anyone seen this cheaper?