Hi just joined looking at getting a GT30,or the G30, the panasonic store in chester will do the G30 for £955 5 yr warranty, or the GT30 for £1440,with 6 yr warranty ,blu-ray player,an two pairs of glasses, will the gt30 play 3D films from a HHD ,and is it worth paying the extra, is there must differance between the two panels thanks