Don't worry about it dude.
A little price update on the GTX 480 (various versions & manufacturers)
MSI 480 MSI GTX 480 @ 25k+300 shipping
Zotac 480 Zotac Geforce GTX 480 @ 26.9+300 shipping
Zotac 480 amp! .:: Yantra Online ::. @ 27.8k shipped
The difference between both of your cards bought...