[b]System "Capricorn"[b]
CPU: Intel Pentium IIIE, 800 MHz (6 x 133).
Motherboard: MSI 815EP Pro(-R) (MS-6337 v3.0) (6 PCI, 1 AGP, 1 CNR, 4 DIMM, Audio).
Front Side Bus: Intel GTL+,64bit, 133MHz,1067MB/s.
NorthB: Intel Solano i815EP. SouthB: Intel 82801BA ICH2.
Memory: 512 MB (SDRAM).
GPU: nVIDIA GeForce FX 5200, AGP, 64MB, DirectX 9.
SND1: Creative SB PCI128 (Ensoniq ES5880) Sound Card.
SND2: Intel 82801BA(M) ICH2 - AC'97 Audio Controller [B-1].
HD: Seagate Barracuda 7200.7, ST3120022A, 120 GB(111 GB), Ultra-ATA/100.
CDRW: HL-DT-ST CD-RW GCE-8480B, 48x/16x/48x.
DVD: HL-DT-ST DVD-ROM GDR8163B, 16x/52x.
NIC: Realtek RTL8139 Family PCI Fast Ethernet NIC.
Modem: Rockwell/Conexant SoftK56 Voice/Data/Fax/SpeakerPhone Modem.
KeyB: Standard 101/102 keyboard.
Mouse: PS/2 compatible mouse.
Partition(0): Windows 2000 Pro, SP 4. (Tweaked alá Wilhelmus)
Partition(1): Windows XP Pro, SP 2. (Tweaked alá Wilhelmus)
Partition(2): Downloads, "my documents", games, etc.
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Ok... not a "gun", but enough for me.

Runs Half-Life 2, CSS with medium settings, without too much thinking, fps ~25.