How much is this xbox 360 bundle worth?

360 arcade

120gb hard drive

20gb hard drive

plug n play charge kit

2 controllers

wireless adapter



games:

final fantasy 13, blue dragon, grand theft auto 4, Resident evil 5 gold edition, fable 2, mafia 2, cod black ops, lego harry potter years 1-4 collectors edition, deadspace, prince of persia, halo reach, brutal legend, the orange box, bioshock 1, bioshock 2, dragon age origins ultamite edition, dragon age 2, left for dead 1, left for dead 2, assasins creed, assasins creed2 and assasins creed brotherhoodHow much is this xbox 360 bundle worth?
$1How much is this xbox 360 bundle worth?
like $600 or $700How much is this xbox 360 bundle worth?
780 dollars