Two or one HDD when gaming?

[Guest]

Should I have my games on a seperate drive then the OS? and will this improve performance.. I have $80 more to spend and im thinking of either buying a seperate hdd for my games or 2gb extra ram.. Any idea?

Arctic Freezer 7 Pro Aluminium, Koper
Samsung SH-S223F/BEBN S-ATA, Bulk, Zwart
Sapphire Radeon HD 4850 512 MB, PCI-e 16x
GeIL Black Dragon Dual Channel 2048 MB, PC6400, 800 MHz, 4, Kit Of 2
Asus P5Q Pro
Intel Core 2 Duo E8400 3.00 GHz, 1333 MHz, 6 MB, Boxed
Antec Gamersgear Three Hundred Zwart, Geen Voeding
Corsair VX550 550 Watt, 20+24 Pins
Xilence Case Fan 120 Mm, Met 4 Pin Molex 2
Seagate 250GB 7200.10 8MB cache

This is my current system

 

[galta]

Buy more memory and make sure you hdd is always defragmented, clean etc..
RAID0 will buy performance if you need to read/write big files at once. Gains in gaming are marginal.
Anyway, make sure your HDD is not close to its limit. 250Gb seems a little tight...