If you are one of those who have a laptop for all uses, in that case it is more than likely that you have an external monitor to which you connect your MacBook using a video out port, as I do with the Mini DisplayPort.
With NX Stand you can have your laptop occupying the minimum space possible and working, and you will also have four extra USB 2.0 ports, as well as a hole to place the external hard drive if we wish.
On the negative side is that the laptop is working and closed, something that does not leave much breathing to the MacBook Pro and that you may end up noticing ...
Source | Apple weblog