http://www.gog.com/en/promo/activision_weekend_promo_05_10_12 Another great deal at Great Old Games, only going on two more days! Some of the classic Sierra adventure games are available for an extremely low price. I picked up Space Quest I-VI King's Quest I-VI Quest For Glory I-V Other good stuff like Betrayal At Krondor, Phantasmagoria, Caesar III, Arcanum, Dark Reign also available...
You can get Might And Magic I-VI this weekend for only $3.99! Other cool games discounted this weekend: Prince Of Persia: Sands Of Time XIII Far Cry Beyond Good And Evil Heroes Of Might And Magic http://www.gog.com/en/promo/ubisoft_weekend_promo_12_10_12
I played all the old King's Quest games back in the day. I still think KQ3 is one of the best games of the type ever. In fact, last year a group of young programers released King Quest 3 Redux which modernized and expanded on the original game which looks pretty good. I might just download it.