I can vouch for the blurring in sports, even with the new 120hz models. I can get it to lessen but it is still there. No issues on any of the plasmas I have looked at and with Plasmas coming with antiglare screens now, I am thinking Plasma for my HT room.

Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70