Looks like all the SimBin titles are 50% off with the start of the Steam Summer Sale.
RACE Injection - http://store.steampowered.com/app/44680
RACE 07 - http://store.steampowered.com/app/8600
Expansions - http://store.steampowered.com/searc...category1=21&advanced=0&sort_order=ASC&page=1
RACE Injection - http://store.steampowered.com/app/44680
RACE 07 - http://store.steampowered.com/app/8600
Expansions - http://store.steampowered.com/searc...category1=21&advanced=0&sort_order=ASC&page=1