crappiest setup

wow. my computer setup sucks big toe. Im looking for a good mmo that can keep me occupied for at least 3 weeks. with this system its kinda hard to do. any suggestions? check out my setup:

Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 1 (2600.xpsp1.020828-1920)

Language: English (Regional Setting: English)

System Manufacturer: Dell Computer Corporation

System Model: XPST500

BIOS: PhoenixBIOS 4.0 Release 6.0

Processor: Intel Pentium III processor, ~500MHz

Memory: 256MB RAM

Page File: 157MB used, 462MB available

Windows Dir: C:WINDOWS

DirectX Version: DirectX 9.0c (4.09.0000.0904)

DX Setup Parameters: Not found

DxDiag Version: 5.03.0001.0904 32bit Unicode

Card name: 3dfx Voodoo3

 Manufacturer: 3dfx Interactive, Inc.

 Chip type: 3dfx Voodoo 3

 DAC type: 3dfx Internal DAC

 Device Key: EnumPCIVEN_121A&DEV_0005&SUBSYS_003A121A&REV_01

 Display Memory: 16.0 MB

 Current Mode: 1024 x 768 (32 bit) (75Hz)

  Monitor: Generic Television

Monitor Max Res: 640,480

Driver Name: 3dfxvs.dll

Driver Version: 5.00.3545.0028 (English)

 DDI Version: 7

Driver Attributes: Final Retail

Driver Date/Size: 10/3/2001 13:47:04, 673728 bytes

 WHQL Logo'd: Yes

WHQL Date Stamp: n/a

 VDD: n/a

 Mini VDD: 3dfxvsm.sys

Mini VDD Date: 10/3/2001 13:47:04, 148352 bytes

Device Identifier: {D7B71CFA-4345-11CF-B671-E32DAEC2C835}

Vendor ID: 0x121A

Device ID: 0x0005

SubSys ID: 0x003A121A

 Revision ID: 0x0001

Revision ID: 0x0001

 Video Accel:

Deinterlace Caps: n/a

 Registry: OK

 DDraw Status: Enabled

 D3D Status: Enabled

 AGP Status: Not Available