Your question is better suited in "TVs and Projectors" section for better response.
Panasonic V20 & G20 are excellent TVs, but some users are reporting issues with motion & artefacts with 50Hz material (SD & DVD pictures).
LG of late, are coming up with good TVs.
What's your budget? By the looks of it, you're looking for plasmas only? Also look at Samsung plasmas.