In the past, I chose the Smoothieboard. Have no regrets as it is a very fine board. Most of the pro's and con's between the both, are a bit moot points. However, if I were too choose now, I would not think twice about it, and buy the duet wifi. 3 main reasons for this: 1) the web interface on the duet. Smoothie does have some sort of web interface, but it's crap. So I'm using octopi. 2) the facby hezik - General