DailyIndiegame has Three active bundles available for purchase.
DIG reBundle 5 (All Steam)
Pay $1.49 minimum for:
Memories of a Vagabond
Soul Gambler
Lightfish
Street Racing Syndicate
Eurofighter Typhoon
Gun Metal
Beat the average (currently $1.57) and you get an extra key for each game.
DIG Super Bundle 15 (All Steam)
Pay $1.49 minimum for:
Depth Hunter 2: Deep Dive
Rythym Destruction
Chernobly Commando
Moon Silver
Realms of the Haunting
Actua Soccer 3
Beat the average (currently $1.58) and you get an extra key for each game.
DIG reBundle 4 (All Desura, Steam keys if Greenlit for 5 of the games)
Pay $0.99 minimum for:
SBX: Invasion
Unhack
Noire
Plazma Being
Sick Brick
Radical Heroes
Beat the average (currently $1.05) and you get an extra key for each game.