Dead Space 2 is on sale for 67% off. In addition Dragon Age Games are on sale for 50% off at GameFly as Store Specials.
Dead Space 2 = $6.59 | 87 metascore
Dragon Age: Origins = $9.99 | 91 metascore
Dragon Age II = $9.99 | 82 metascore
All of the games activate on Origin.