I have a nice build. It has a kbd + mse, LG Flatron E2260 22" 1080P LED LCD monitor and these specs. Askin $1100 but may negotiate.
Specs:
Case: Antec Three-Hundred 300 Mid-Tower ATX
Motherboard: GIGABYTE something something
PSU: Corsair HX 1050W Modular Crossfire/SLI Power Supply
CPU: AMD X6 1100T Black Edition (BE) Six-core 3.3GHz Processor
RAM: 8GB DDR3 2x4GB
GPU: XFX AMD ATI Radeon HD 6870 1GB
DVD: DVD RW-+/CD RW -+
WiFi: USB Wireless Belkin 54Mbps
Connector Cables: DVI-HDMI (Will not transmit sound. Must plug speakers into computer or use seperate HDMI cable)
HDD: 160GB Primary (More drives can be added for extra storage)
OS: Windows 7 Ultimate Edition x64 64 bit