Whats the next should I buy?

[PontiacMan]

My Computer specs are:

I got a HP Pavilion 304w Windows XP Home Edition SP2

AMD Anthlon 1.67GHz
ATI Radeon 9550 256mb Regular Version not pro
Got 383mb of RAM
Got a 30GB HDD
Got stock cooling system
Stock Power Supply I think its 250-300watts range
Got a USB Mouse by Labtec
Got a logitech controller its like a PS2 Controller
Got a HP Pavilion mx70 monitor
Got a DVD Dual Layer 16x
Got a DVD Player

Updates:
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I have a Trigem Am37 heres the link to the specifications if it let me link it to you. TRIGEM AM97 Motherboard Specifiactions

What else should I get??? Any ideas? I am only spending like $200-$300 on upgrades.

 

[Bender99]

What kind of motherboard do you have in there?

 

[zachig]

If you consider yourself as a gamer, you should first upgrade to 1GB of RAM and replace your Video Card with at least a 6600GT. but then, you'll have to upgrade your PSU to at least 400W decent PSU, to support the Video Card.

So...

Generic 1GB of RAM: ~$60-$90
GeForce 6600GT AGP: ~$140-$170
Decent 400W/450W PSU: ~$40-$80

Total Upgrade: $240-$340.

GOOD LUCK!!!

 

[Vaerilis]

The first thing I would upgrade is the power supply. No-name generic PSUs are a big risk, being able to ruin your entire rig in case of a badly timed failure. (50-100$)
The second is the CPU, and probably the motherboard, but I don't know what kind of motherboard you have so I can't comment on that (?-? $).
Playing recent games requires a lot of RAM, so I'd replace the 384 megs with 1 gig of decent memory (~100$).
And last, but not least, I'd get a new video card, a 6600, or a 6600GT (100-150$).