new TV advice

Hi,

I’m looking to upgrade my current TV to a 46” with a  Freeview HD tuner.

The main uses will be gaming and Blu-rays whilst taking advantage of free to air HD channels.

I think I would prefer LCD and like the Sony HX753 and Panasonic ET50. I am also very impressed with the Panasonic DT50 but wonder if this is worth the extra (£600) money compared to the Sony?

Audio is not a problem as I will be running sound through my amp.

I’m not too fussed about 3D but do I need to be careful of passive v active as I may be interested in getting Sky when the footy season starts?

I’m also aware of 4k resolution and glasses-free 3d but how long before the sets become available/affordable?

cheers!