SONY la. Since the cosmetic of SAMSUNG seems much more attractive and slim, and both picture quality are similar. However, the after service and maintenance should also be considered. With this factor, then you'll find SONY is worth to have.
PS: Although I'm the SONY royal customer, from walkman, discman, DV, DC, DVD player, BD player, CRT-TV, LCD-TV, notebooks, I just provide an objective opinion here.