GOG - Summer Sale Started
In addition for a day their Dungeons & Dragons games can be had with a discount of 80% (if all are bought) or 50% individually. This contains all of Baldur's Gate, Icewind Dale, and Neverwinter Nights and Temple of elemental Evil, PST, Dragonshard and Demon Stone.
Besides this, you can get Torchlight for free now for a bit less than 48 hours.
They have a new deal every day, so check back at GOG often.