I have seen top end Samsung and LEDs and higher up LG plasmas and nothing has matched the picture quality of the GT60 at time of writing.
Panasonic TX-P50GT60B User Review
Best PQ I've seenReview of Panasonic TX-P50GT60B Plasma TV by PC1975, Aug 7, 2014.This item was purchased for £1100 from Richer Sounds in 2013. The reviewer still owns this product.
Contrast/Dynamic Range/Black Level9
2D Picture Quality9
3D Picture Quality9
Ease Of Use8
Value for Money9