Need Help to buy new Computer

Hello

I am planning to buy new pc. Please suggest me good configuration for my computer. I will install two Operating system in my pc One is windows XP and second will linux. I am not much gamer playing on CS source.
So my Pc config is 2 GB Ram, 320 gb HDD, Intel core2duo, Graphic Card : 256mb Nvidia.

What config you will suggest me ?

Hey!
I would suggest you to go for the following configuration :

Intel Core 2 Duo 2.8 Ghz
Gigabyte GA-G31 Gaming Motherboard
2GB Zion RAM DDR2
500GB Hard Disk Drivers Seagate SATA-II
ATi 4870 512 MB DDR5 PCI-E Graphics Card
19" ViewSonic LCD Screen
Sony DVD-RW
Logitech Keyboard+Mouse Set
Cool Master Pro ATX Cabinet

Would Cost Around Rs.50,000/- Only :bleh:

AMD Phenom X4 9650 2.3Ghz
Any Gigabyte 790x Chipset Hybrid Board
4GB DDR2 1066Mhz Memory
320GB+250GB Hitachi Sata Drive ( Good For Seamless Dual OS )
ATI 4870 Graphic Board If You Wanna Play Intensive Games ( Use Water Cooling )
19" ViewSonic Graphics Edition LCD
And Beyond This Line Everything Is Optional.