Need help buying PC!!

[TomirK]

I am gonna by a PC and I am having trouble deciding between Intel and Amd.
This is the Intel PC

Processor
Intel Pentium 4 650 (S775) 3.40 GHz HT (2MB cache)(dual core) BOX

Motherboard

Abit AA8-3rd Eye DuraMAX

RAM
GeIL Dual 2x 512MB DDR2 533 MHz

GFX
Radeon X850XT HIS 256 MB PCI-E IceQ II Turbo

DVDRW
Lite-ON DVD+/-RW SOHW-1673S bulk black

HD
Maxtor DiamondMax 10 250 GB (16MB) 6B250S0 SATA + NCQ

LCD
17" LG Flatron L1730P

FDD 1,44MB 3,5" – black

Thermaltake Xaser 3 LANMOTO

The AMD PC is the same but with


Processor
AMD Athlon 64 3800+ BOX (Socket 939
Motherboard
Epox 9NPA+ (nVidia nForce4 Ultra)
RAM
GeIL Dual 2 x 512MB ULD PC-400 CL2

So what do you think? AMD or Intel?
I will be using this PC primarily for gaming.