i have a 32" Samsung LCD, 1366x768, MPEG2 DVB-T, more than 3+ years old, no problem with it
my parents has 32" LG LCD, 1366x768, MPEG4 DVB-T, 2+ years old, also had no any problem
When i bought my LCD, i've noticed the JVC LCDs had the best picture IMHO in that times, but had 1.7x price as the Samsung in the same resultion, no worth it
Anyway, whatever big is the resultion of the screen, the common HD is just 1280x768
sometimes the sellers cheating within the TV's menu, configured a type a bit better and the rest a bit dicky, to show more differencies between the two as it really is