CORSAIR CMPSU-650TX How Quiet is this psu and How Stable

I'm really looking for a good Quiet psu, stable durable and High energy efficiency, Why is this good or not? Is this as good and quiet as the Antec earth watts 500w or better? why?

I really need to know because i found one for $90 and if its really quiet and stable I'll get it but need to know soon before its gone.

i have the 750 watt model and it runs very well no complants.

as for sound there isn't much to speech of if you have it in a case you probably won't hear it. i have the antec 900 and i can't hear it now i can hear my 4870s when they spin up but not the PSU

hope this helps

i have a 650TX inside my system, the fan runs faster when the psu gets hotter, a thing you wont notice if your gaming simply because the psu will get hot then, unless your doin somethin with an app that'd make it work harder... but yeah back to the point, its a brilliant PSU i would tell anyone to buy it, i got mine for 66GBP at ccl online, saved on P=P coz i live near them lol