Such devices are under the control by the makers and of course Netflix. This is why some try these and then go back to some PC or other devices.
I have a Roku device that I use to access Netflix content. My friend on the other hand has a Samsung BD-P1600 Blu-Ray layer that he uses for the same purpose. But I am able using ROKU to search for Netflix content without using a computer. He cannot seem to do that.
Is the search feature (represented by a magnifying glass on the ROKU Netflix interface) not available to those who access Netflix via the Samsung BD-P1600 blu-ray player? Can this capability be added via some sort of upgrade?