upgradation advice?

[viruses]

hi all i want to upgrade my system.currently i have p4 2.4 ghz.
i would be upgrading the ram,mother board and also the processor and would also be putting graphics card of 256mb.

please advice what new processor and motherboard should i go for.will it be intel or amd and also the configuration.thank you

also mention the rough prices of the products and good place to buy without getting cheated

[ravi_9793]

First tell us ur budget........what what exactly hardware U want to upgrade./

[viruses]

as i told u processor,ram and motherboard and graphics card.
budget is 15-20k