Dell Dimension 3000 Video Card Upgrade

Hello, I am new here and was hoping someone could assist. I have to find anything via my search that directly answered my questions/needs.

I need to add a video/graphics card to my dell dimension 3000. The problem I have is that I have no idea where to look or what to look for to know what is compatible or not. Any assistance would be greatly appreciated.

Basic System Specs:

Operating System
MS Windows XP Home 32-bit SP3
CPU
Intel Pentium 4
Prescott 90nm Technology
RAM
2.00 GB Dual-Channel DDR @ 166MHz (2.5-3-3-7)
Motherboard
Dell Computer Corp. 0N6381 (Microprocessor)
Graphics
Acer V173 (1280x1024@60Hz)
Intel(R) 82865G Graphics Controller
Hard Drives
156GB Western Digital WDC WD1600AAJB-00J3A0 (PATA)    96 °F
Optical Drives
Optiarc DVD RW AD-7200A
TSSTcorp CDDVDW SH-S222A
Audio
Unimodem Half-Duplex Audio Device 

Regards, John