THQ has revealed their own offering to the Humble Bundle. The Windows PC offering for Steam includes Darksiders, Metro 2033, Red Faction: Armageddon, Company of Heroes, and the two Company of Heroes expansion packs: Opposing Fronts and Tales of Valor.
Those who pay over the average donation price for the bundle (right now, less than $6) will also receive Saints Row: The Third. As of the time of this writing, the Humble THQ Bundle has raised over $2.2 million dollars from over 400,000 purchases, with money split between THQ, charities and the Humble Organizers.
Source: HumbleBundle.com