hey guy i need to know, this LG Model is new or old model? LG 42LK450, and how about that TV? is that ok? compare to Samsung Series 5, but not sure what the model, saw at the shop only state Samsung Series 5.

LG 42LK45
* 3 HDMI
* 1 USB
* 2 Layer

Samsung Series 5
* 4 HDMI
* 2 USB
* 1 Layer

That all i know, and what is 1 layer compare to 2 layer??