Really? I have read that the edge lit LED LCDs do not have the deeper blacks and some have flashlighting effects around the edges. The backlit LED LCDs have better black levels and can still be very thin. Of last years models the Samsung 8500 while expensive seems to be the gold standard. The back-lit models seem to back as close to a plasma picture as you can get in an LCD model.
Why the preference for edge lit?
I personally don’t have a preference. I believe I read the review of Back lit vs edge lit on www.cnet.com