I have a Samsung 2012 3d plasma, but the glasses are all the same.
In my collection I now have several pairs of samsung glasses, a pair of the panny's and a pair of the G7 kids model.
The panny's and the Sammy's work equally as well as far as performance. The panny's do slightly better at rejecting background light than the sammy's, however they seem a little small top to bottom.
The G7's add a slightly warming characteristic to the picture. My only dig on them is that...