For R5500-ish:
BX80557E6550 E6550 Intel® Boxed Core2™Duo E6550Processor - 2.33GHz Dual Core, Socket 775, 4MB, 1333MHz FSB, 65nm, 64-Bit Ready, 3 Year
GA-G31MX-S2 DUAL DDR2-800 GIGABYTE® "S Series" G31 & ICH7 Express Chipset - Socket LGA775 @ FSB1333 - Pentium®, Pentium®D & Core™2 Duo & Quad
S Series 2x PCI Express Slots (1 x16 , 1 x4), 2x PCI, 2x DDR2-800 (Dual), 4x SATA2, 1x ATA100, 8x USB 2.0, SPDIF Port Realtek Gigabit LAN
Quad core ready Durability 2 Series - All Solid Capacitors, 8 Channel High Definition Audio, Features Gigabyte SMART & SAFE Technology, Vista Premium Certified
GZ-PPC1A Gigabyte™ Micro ATX Chassis - Black - Side Vented Panel - 4x 5.25" & 6x 3.5" Bays - Tool Free Design - 1x 80mm Fan - 350W PSU
JM800QLJ-1G Transcend® JetRam™ High-Performance 1GB DDR2-800 240-Pin Module : CL5, 4-Layer PC Board, Life-Time Warranty
JM800QLJ-1G Transcend® JetRam™ High-Performance 1GB DDR2-800 240-Pin Module : CL5, 4-Layer PC Board, Life-Time Warranty
ST3250410AS PERPENDICULAR Seagate® Barracuda™ 7200.10 Series - 250GB Serial ATA II (SATA2) Plus - Serial ATA 300 (3Gbps) With 16MB Cache @ 7200RPM - NCQ
GV-NX86T512H Gigabyte® nVidia® GeForce 8600GT, 512MB DDR2 128Bit, Dual DVI + HDTV, DX10 + OpenGL, Dual RAMDACS, SLI Ready, SilentPipe II
Total incl. R5503.92