Do the new Aluminium 24" iMacs have the inverter hum problem ?

I'm looking to get myself the new Aluminium iMac 24" however my experience with the 2007 White iMac 24" was a loud hum from the inverter that drove me nuts !
Does anyone know if the 2009 model makes a loud hum when the screen brightness it turned down ?
I can't see anything recent posts, so hoping the problem is fixed in the new design ...

I have the new 2009 24 in imac and I have not heard in any noise it is quiet. Hope that helps at all.

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Do the new Aluminium 24" iMacs have the inverter hum problem ?

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