Hardware Secrets posted a review on the BFG ES-800 Power Supply
A quote from the article:
>> BFG ES-800 Power Supply Review
ES-800 (also known as BFGR800WESPSU) is a power supply using a different internal design called "frequency conversion", with BFG claiming it provides higher efficiency even under very low loads. Is that so? Let's check this out.
>> BFG ES-800 Power Supply Review