I looked at smart TV, it should not need a laptop as it is all in the TV, and comes with a keyboard, at least they do in China.
I thought they overpriced as a normal flatscreen TV+laptop+HDMI cable, does the same job, much better, for much less money. And the sales guy agreed with me. I would wait till they get a lot cheaper, and in the meantime just plug in your old laptop to a flatscreen tV