THE BELOW SYSTEM MIGHT NOT BE UP TO DATE:

#1 - RODNEY'S GAMING/WORK SYSTEM: Discuss in Forum
(Note: I used this system for editing HD video/unboxing reviews and other videos and as a gaming rig)

Case: Cooler Master ATCS 840
Power Supply: SilverStone Strider Gold 1200W
Motherboard: EVGA 132-BL-E758-A1 X58 3X SLI (Socket 1366)
CPU: Intel Core i7 920 Quad-Core 2.6GHz @ 4GHz+
Memory: Crucial Ballistix Tracer DDR3 PC3-12800 12GB
CPU Cooler: Antec KÜHLER H2O 920
Additional Cooling: Antec SpotCool Fans
Video Card(s): 1 x HIS 6970 Video Card
Sound Card: Azen X-Fi Forte 7.1
HDD (C:): 2 x WD VelociRaptor 600GB in RAID 0
Additional HDDs: 2 x 640GB for backup
ODD: LG GGC-H20L Super Multi Blue Blu-ray Disc & HD DVD-ROM
Keyboard: Enermax Caesar Aluminum
Mouse: Logitech G5
Mouse Pad: Razer Mantis Mat
Displays: 3 Samsung 2343 LCDs in an Surround setup
Audio System: Pioneer VSX-D209 5.1 Receiver, Cerwin Vega HT-S10A Sub and Speakers (Polk Audio RTi4 for front, Polk Audio R15 for rear and Cerwin Vega E-75C for center channel)
Headset: SteelSeries SteelSound 5H v2 USB
Router: Trendnet TEW-691GR 450Mbps Wireless N Gigabit Router (Using Category 6 cables throughout)
Flash Drive: Varying brands, models and capacities
UPS: Ultra 1200W Backup
Printer: Brother MFC-7840W
Operating Systems: Windows 7 64-bit

And I have a few more systems family uses for basic tasks.