How to Decide Gaming card for my PC ?

[bhardu]

Hi all

I am Looking for a Gaming card for my pc so that i can play Games in a better way.
while browsing this forum i came to know that there are many factors which one need to look into. like power supply, slots available on motherborad, blah blah....
can u guide me which points should i consider before buying one for me

[Team Leader]

See here Graphic Card Buying Guide 2008
List of best Graphic Card for PC gaming in India

[SecRecy]

See this guide for more reference : PC configurations reference for October 2008
How to build your new PC - Basic guide to assembling your Computer
Choosing Power Supply

Or you can have a look at the Guides & Tutorials for more knowledge .