It would be nice to have something more portable for quick stuff or hikes though. I bought a 3 axis gimbal for my go pro 2 months ago and have barely used it though because I hate the gopro footage compared to dslr.
Right, the main difference is it's much lighter than the Ronin! I almost forgot DJI makes those. The Ronin is great if you need to fly a RED or bigger camera but for GH4s or DSLRs I love the birdycam, and it's a bit cheaper too!