Starting Tuesday, December 1 and continuing for 18 consecutive days, Amazon Video Games will be featuring one new, terrific deal for your gaming pleasure.

For Saturday, buy Guitar Hero 5 (PS3), Get $20 toward PSN Guitar Hero Track Packs.  This credit is valid only toward the purchase of the "Metallica "Death Magnetic" Album", "The Killers Track Pack" , or "The Rolling Stones Live Track Pack".

• Guitar Hero 5 (stand alone software) (PS3) - $49.97 (Reg. $59.99) 
• Guitar Hero 5 Guitar Bundle (PS3) - $79 (Reg. $99.99)

Check it out:  Amazon - 18 Days, 18 Deals