I live here in Mexico and was able to pick up a LB426500 yesterday morning (returning a LA426100-3d no magic remote) and have been pleased at the difference.
I have this on HDMI 1 in PC mode as a monitor for my HTPC setup (AMD- CPU/GPU-old 5770). I found that not choosing PC mode (making it necessary to change your scaling in CCC) and keeping it in HDMI makes any video I play glitch a tad every few seconds. I tried it with several different file formats, all acting the same. In PC mode, everything is as smooth as butter.
I still am confused as to whether this TV is actually 120hz or not as it has MCI 600 (new true motion phrasing). I can tell you one thing though, scrolling sites such as this are super smooth compared to anything else I have ever witnessed. The 3D playback is way clearer than the 6100. I checked that right off the bat just to see if there was a noticeable difference, and I played Wreck It Ralph which I had tested the night before just for this and couldn't see the miniscule dots in their eyes anymore. Looked great.
What I would like to have is an option to use the true motion while in PC mode as I watch sports and surf more than anything and I will have to revert back and forth to use that feature between movies, videos, and sports (the glitch being non apparent for sports as I am Streaming that). I tested different settings last night using true motion on a WNBA game and got the best results with it set on smooth.
Other than that little dilemma I can say that this TV is gonna be a keeper. When first turned on you get a good look at how bad of a backlight bleed your gonna get because they have everything maxed and just a little LG cube spinning (or something) right in the middle. I had bleed in every corner so I immediately loosened the screws on the back and the left corners are barely noticeable now while the top right is still there but is not very bad.
I have been reading this thread and was worried about the Global Dimming effect people are getting on the 7000 series and was concerned about that because I turn everything down as low as possible in Expert 1 to use as my Movie watching choice, cause I like it dark,dark,dark! Anyway, I have been reading that the 3000 dropped the local dimming the 7000's use. I tried to replicate it using the Gravity scene that was used earlier to showcase this problem and didn't get that at all. So here's to crossed fingers, because that would drive me nuts. I would probably have to return this thing and I don't know what I would do then because I like passive 3D.
If anyone has any suggestions to my HDMI-PC woes or would like something answered about this model, I' do my best . thanks