My desktop's specs:
Windows 8.1 Pro 64-bit
Intel Core 2 Quad Q9400 @ 2.66GHz
HP xw4600 Workstation mobo
Kingston 8GB (4x2GB) dual-channel DDR2-800 RAM
1GB PNY GeForce GTX 650 Ti XLR8 overclocked
1TB Seagate Barracuda ES SATA2 HDD
DVD-ROM drive
Not bad for a computer that I only paid ~$350 for
I might as well also list my peripherals, since I've spent quite a good amount of time and money selecting them:
20" Viewsonic PF815 CRT monitor, primary (4:3, desktop at 1600x1200@90Hz, games at 1280x960@110Hz, or at lower resolutions@120hz or 180Hz)
22" HP-Compaq LA2205wg LCD monitor, secondary (16:10, desktop at 1680x1050@75Hz)
Logitech G710+ mechanical keyboard (MX Brown switches, Black o-ring dampeners)
Roccat Savu optical gaming mouse (set at 800dpi for most cases)
Steelseries QcK+ Dota 2 Edition cloth mousepad (45cm x 40cm)
Wacom Bamboo Capture CTH-470 graphics tablet
Sennheiser HD449 headphones
Logitech C170 VGA webcam
Nintendo Wii webcam stand
Logitech USB Rock Band microphone