Pepsi and Sony have partnered on a promotion giving away PS3 systems and copies of Uncharted 2: Among Thieves, reports QJ.net. Specially packaged Pepsi 12-packs, likely featuring plenty of Sony branding, are giving people the chance to win one of 20 PS3 systems and more than 200 copies of Uncharted 2 being given away. The contest is being run in select Western and Midwest states in the US. Read more at QJ.net.