Walter said:http://store.steampowered.com/sale/ea_week
Crysis and Crysis Warhead package for $20.
Change the day of the week on the banner's url and it'll at least hint you on the next days' deals:
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_monday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_tuesday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_wednesday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_thursday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_friday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_saturday/promo_image_english.jpg
http://cdn.steampowered.com/v/gfx/clusters/frontpage/ea_week_-_sunday/promo_image_english.jpg