What makes it something that I wouldn't want? It has a pretty big rocker profile and is extremely soft. If it makes ground tricks and presses easier, I'm all for it.While the Signal Rocker is a rad board in its own way, it's probably not what you want. The Rocker Light is a little more comparable but when I just want to jib around I grab my Park Flat. That's what I prefer out of the Signal lineup for softer jibbby boards.
Between that and the Disaster is just gonna be whether you want camber or not. Camber is going to be a little harder to press, but you can be more precise with it and it legitimately makes you a better jibber.