Haven't owned any Samsung plasmas yet, but that 'superior shadow detail' on LG only flourishes with decent black level. My previous LG plasma had terrible black level. Only with a black mod did the overall PQ shot through the roof and I was finally able to see the so called 'great shadow detail' on the LG. Televisioninfo says the 2014 LG plasmas has contrast ratio lower than the 300:1, so I would be wary. I would only get that LG if it can still be modded for better black. I was satisfied with the LG's motion resolution though, and no, I did not have ANY IRs whatsoever on my LG (I tried very hard) so YMMV.