I have one and like it better than the Summit Viper I had. Of course its rock solid and the comfort can't be matched. The thing I like is that there is nothing in front of you. With the Viper, if you set the seat all the way up, your knees would hit the front bar most of the time. Also, if you're like me, you can take the climbing bar off and use it as a hand climber. Much easier and gives me more freedom to move while climbing.

Cobra X4, awesome stand..