Suggestions for MotherBoard

I have..
1 GB DDR pc400
512 GB DDR pc400
PCIX MSI 8600 GT 512 MB graphics card
creative SD 5.1 Channel Sound Card
Pentium 4, 2.67GHZ

I need a new motherboard compatible with these devies..
PS: eye only Intel.

also please tell me how much it ll cost if I go for a new processor + motherboard.
Budget : 6000 INR

Thanks.