If you want to buy a Switchblade just get the 2016 model for a good price, No diffrence between the 2016 and 2017 model. https://www.youtube.com/watch?v=EkXJGU-Hzmo&t=1s North Evo same story.... 2018 Switchblade wil be coming out in august so if you just get some more lessons you will get an 2016 mo...