hardware upgrade

[shivi4]

i have p4 1.5 ghz pc with window xp

i have 256 sdram ,40 gb hard disk,

32 mb nivida geforce graphic card

i want to upgrade for gaming purpose

pleasse suggest following along with price
1) cpu (my prefernce p4 3.0 or above)

2)motherboard(my preference gigabyte or mercury)

3)graphic card (nivida 128 or 256 mb dont know)

4)ram(my preference 1 gb ddr ram)

also problem i have 40 gb hard disk ,can i attach another
new hard disk also or external hard disk.
i have two cdrom good enough monitor,and sound system
so i don not need upgrade anything else

please help as i have to take decision soon.

[siriusb]

Unless u have a specific reason, like encoding or rendering, you might wanna consider amd64 based system. For a lesser price, u might wanna go for AMD64 3000+ and a asus A8N-E or MSI Neo4 platinum motherboard.

Go for 2x 512MB ddr400. They can be put in dual channel. If ur budjet allows it, go for 6600gt pcx 128MB video card.

You can attach 4 pata hdds to a motherboard, don't worry. But since u have 2 cdroms, you can have max. 2 pata hdds.