Remote control extender

Once I get my TV mounted I want to install a remote control extender, so I can put the cable box on the other side of the wall. Does anyone have one of these and which kind do you recommend. I've seen some on amazon.com but I want to make sure before I buy one.
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I was looking for something like this

 

I read good reviews on it so I will probably go ahead get that one.

 

or maybe something like this
http://www.amazon.com/Link-Remote-C...1?ie=UTF8&s=electronics&qid=1272960107&sr=1-1