Iv got a Dell, a Dimension 5100. Had it a couple of years, got it thru the leasing scheme at work (now unfortunately defunct thanks to Gordon Brown) I can honestly say I have never had a problem with it. Its not exactly cutting edge.
Intel Pentium 4 640, 3200 MHz (16 x 200)
Operating System Microsoft Windows XP Home Edition
OS Service Pack Service Pack 2
DirectX 4.09.00.0904
Motherboard
CPU Type Intel Pentium 4 640, 3200 MHz (16 x 200)
Motherboard Name Dell Dimension 5100
Motherboard Chipset Intel Lakeport-G i945G
System Memory 1024 MB (DDR2-400 DDR2 SDRAM)
BIOS Type Phoenix (05/25/05)
Display
Video Adapter RADEON X300 SE 128MB HyperMemory Secondary (128 MB)
Video Adapter RADEON X300 SE 128MB HyperMemory (128 MB)
3D Accelerator ATI Radeon X300 (RV370)
Monitor Dell E173FP [17" LCD] (C538557R7JEU)
Multimedia
Audio Adapter Creative EMU10K2 Audigy / Audigy 2 Audio Processor
Storage
IDE Controller Intel(R) 82801GB Serial ATA Storage Controllers - 27C0
IDE Controller Intel(R) 82801GB Ultra ATA Storage Controllers - 27DF
Disk Drive Maxtor 7L250S0 (232 GB, IDE)
Disk Drive Samsung CF Card CF USB Device
Disk Drive Samsung MS Card MS USB Device
Disk Drive Samsung SD Card MMC/SD USB Device
Disk Drive Samsung SM/XD Card SM USB Device
Optical Drive PHILIPS DVD+-RW DVD8701
Optical Drive TSSTcorp DVD-ROM TS-H352C (16x/48x DVD-ROM)
SMART Hard Disks Status OK
Partitions
C: (NTFS) 235091 MB
Input
Keyboard HID Keyboard Device
Mouse HID-compliant mouse
Network
Network Adapter Intel(R) PRO/100 VE Network Connection (192.168.0.3)
Sorry for all the extra info, but Everest Home is very useful
