Get 25% off used PSP/PS3 games at GameStop

It's that time again, folks. GameStop's oh-so-valuable 25% off used game coupon lets you score any used PS3 or PSP game from their retail stores at a pretty significant savings. Some suggestions from us?

• Warhawk - $18.74
• Burnout Paradise - $20.24
• SingStar - $26.24
• Ratchet & Clank Future: Tools of Destruction - $37.49
• Uncharted - $37.49
• Hot Shots Golf: Out of Bounds - $41.24
• Metal Gear Solid 4 - $41.24

[Via CAG]