Machine name: DANDESK
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.070227-2254)
Language: English (Regional Setting: English)
System Manufacturer: HP-Pavilion
System Model: RX887AA-ABA a6030n
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Athlon™ 64 X2 Dual Core Processor 4800+, MMX, 3DNow (2 CPUs), ~2.5GHz
Memory: 1918MB RAM
Page File: 680MB used, 3130MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode

Card name: NVIDIA GeForce 6150SE nForce 430
Manufacturer: NVIDIA
Chip type: GeForce 6150SE nForce 430

Saw some dude saying that he was having lag after installing he defragged and it fixed much of the lag. No idea if this will help.