I bought this product about three months ago and have not had a problem. Works great and very easy to use. Only complaint is that it does not have the showbox app.
The Roku stick is easy to use and when it works, it is great. However, we have had a TON of trouble with the remote not working. Often having to take out the batteries, unplug and replug in the roku stick. While it is definitely a great thing when it works, when the remote doesn't work, it just gets aggravating.
I bought my first ROKU about a year ago and the other day I purchased two more for bed room tvs. The only problem I had with the units are the receivers are a little weak. I was disappointed with the reception. I ended up having to relocate my router in order to get reception on my upstairs unit. I was not that far from the router to start with but I had to endure the additional expense to move the router. I would recommend that if you are some distance away from your router you may want to consider one of the higher end models that have antennas. Other than that I have had no problems unit was easy to install and programing is a breeze, even with the additional registration process that you have to go through to use the units.
We've been using the Roku stick for about a month now and it's all my kids ever want to watch. It is great, easy to set up and use and works exactly as described.