GameFly / GameFly UK has a $5 Friday and Team17 sale going on.

$5 Friday Sale - Deals are for 7/20 only.
- Company of Heroes = $5
- Battlefield: Bad Company 2 = $5 – This can be activated on Origin
- LEGO Batman: The Videogame = $5
- Space Pirates and Zombies = $5

Team17 Sale
 - Alien Breed 2: Assault = $3.39 – Steamworks
- Alien Breed Trilogy = $7.81 – Steamworks
- Alien Breed 3: Descent = $3.39 – Steamworks
- Alien Breed: ImpactPC = $3.39 – Steamworks
- Worms Reloaded = $6.79 – Steamworks
- Worms Reloaded: Game of the Year Edition = $8.49 – Steamworks
- Worms Ultimate Mayhem = $5.09

Not sure about the region restrictions of the deals.

Click here to see the $5 Friday and Team17 sales at: GameFly / GameFly UK