Here is my rig:
http://img686.imageshack.us/img686/6982/insidethecase.jpg
http://img192.imageshack.us/img192/1161/rigr.jpg
CPU: Core 2 duo E6750 3.4GHz(OC)
CPU Cooler: arctic freezer pro(very silent)
RAM: OCZ Platinum 2x1Gb PC6400 850MHz(OC)
VIDEO: Sapphire vapor-x ATi radeon HD5770 (GPU 860MHz, RAM 1200MHz-no overclock/GPU 960MHz, RAM 1350MHz-OC), but now i sue it at 920Mhz with 1250Mhz as a personal preference because even if the overclock was stable and had no problems i do not want to stress my video card to much.
MOTHERBOARD: Gigabyte GA-P35DS3-r rev2.0
HDD: Segate 250Gb + WD 500Gb
PSU: Thermaltake TR2 550W
CASE: Thermaltake Soprano windowed silver
OPTICAL DRIVE: Asus DVD-RW with Light scribe.
OTHER: 2 noctua fans 120mm (one intake and one exhaust) -
http://www.noctua.at/main.php?show=productview&products_id=12&lng=en
As display i use a 1920x1080 LCD Samsung 5 series.