Guys! Help needed! I'm struggling to find a Gr8 Windows XP PC

So like, I planned to get a Dimension 3000 for Windows XP gaming or whatever, but then I came across a Rare Fujistu-Siemens Scaleo 800S, and now I can't decide what to get! Can you guys help me out by what pc to choose, please?

Here are the specs for the Fujistu-Siemens Scaleo 800S:

Chipset: Intel 845 (Brookdale)

Socket: Socket 478 (mPGA478)

FSB speed: 400MHz

Form factor: ATX (max 305 x 244 mm)

Cache: None/Integrated in the CPU

Dimensions: 305 mm x 250 mm

RAM type: DDR UDIMM

Max RAM size: 2GB

PSU connector:

ATX 1.x (20-pin ATX)

12V P4 Connector (4-pin P4)

I/O ports: 1x 3.5mm Audio Combo

1x Floppy interface

1x Gameport

2x IDE interface

1x IrDA

1x PS/2 keyboard

1x PS/2 mouse

1x Parallel

2x Serial

4x USB 1.x

Expansion slots:

1x 1.5V AGP

5x 32-bit PCI

1x CNR

Here are the specs for Dell Dimension 3000:

Chipset: Intel 865GV (Springdale-GV)

Socket: Socket 478 (mPGA478)

FSB speeds: 400MHz 533MHz 800MHz

Form factor: MicroATX (max 244 x 244 mm)

Dimensions: 244mm x 216mm

Cache: None/Integrated in the CPU

Max RAM size: 4GB

RAM type: DDR UDIMM

PSU connector: ATX 1.x (20-pin ATX) 12V P4 Connector (4-pin P4)

I/O ports: 1x Floppy interface

2x IDE interface

1x PS/2 keyboard

1x PS/2 mouse

1x Parallel

1x RJ-45 LAN

2x SATA I

1x Serial

8x USB 2.0

1x VGA card

Expansion slots: 3x 32-bit PCI

So, which one is the best option?

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