I haven't read any "buzzing" messages about the Apple Display so far (and I googled
quite a lot to find them :-). I didn't order the Apple because it's panel is not up to date.
But as I've read in a german forum Apple will upgrade to the same panel used
in the LP3065 and the upcoming Dell...
Got my LP3065 yesterday. Unfortunately it's buzzing.
The sound is coming out of the vents on the rear (left and right) and is
clearly audible even in a distance of 1-2 meters.
And no, it's not a problem with my environment, my other displays are dead silent.
Can't say if only my unit shows...