No experience with the new one, but it looks very sharp and a nice improvement over the prior 1-UPs.
I tested Kuat vs 1-UP at the trailhead, and guys in my group have both. Consensus is they are both great racks. The Kuat wins in ease of use and has some nice features. Aesthetically, the Kuat typically wins for most people. I went with the Kuat but would be happy to have either.
OP - Try that new one and report back 