Pre-Purchase DiRT 2, get DiRT 80% off

Pre-purchasing DiRT 2 ($39.99/£29.99/49,99€) will allow you to buy the first game, DiRT, for 80% off ($19.99 $3.99/£17.99 £3.60/19,99€ 3.99€). This offer lasts until DiRT 2 releases, on December 1st.