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[DJ-CHRIS]

It's POWER FACTOR CORRECTION

Power factor is the ratio of true power (watts) divided by apparent power (volts x amps or VA). A standard power supply has a power factor of 0.70-0.75, while a power supply with active power factor correction (PFC) has a power factor of 0.95-0.99. A power supply with power factor correction is better able to convert the current into power. This results in lower peak current and lower harmonic current, putting less stress on wiring, circuit breakers, and transformers.

 

[arnold023]

how is this PSU from Zipzoomfly for $90 (and then a $30 mail-in-rebate to make it $60) instead of the FSP?...
Ultra ULT31564 X-Connect 500W ATX Power Supply w/2 80mm Fans (Blue w/UV Orange)

 

[arnold023]

ok here is my new line up:
Windows XP Professional edition OS Service Pack 2 - free (friend)

Keyboard and mouse roughly $60 (Best Buy)

SAMSUNG 990DF-Black 19" CRT Monitor 0.20mm Dot Pitch D-Sub- $190 (new egg)

NZXT NEMESIS Black Aluminum ATX Mid Tower Computer Case 400W Power Supply - $109 (xoxide)

FSP Group (Fortron Source) AX500-A ATX12V 500W Power Supply 115/230 V - Retail - $91 (new egg)

Seagate Barracuda 7200.8 ST3200826AS 200GB 7200 RPM 8M Cache Serial ATA150 Hard Drive - OEM - $114 (new egg)

DFI LP UT nF4 SLI-D Socket 939 NVIDIA nForce4 SLI ATX AMD Motherboard - $174
(new egg)

OCZ Premier Value 2GB (2 x 1GB) 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200) Dual Channel Kit System Memory - $190 (new egg)

AMD Athlon 64 3500+ Processor (Venice) Socket 939 Retail - $273 (ZZF)

eVGA 256-P2-N376-AX Geforce 6800GT 256MB 256-bit GDDR3 PCI-Express x16 Video Card - $350(ZZF)

TOTAL(with shipping)= $1568.81