I had not heard of this Leatherman product before now. I've just taken a quick look at it on Leatherman's website. I see no compelling reason to get one; it doesn't appear to be significantly better than any existing product.
The glass breaker in particular appears to be of limited use. To use it, you need to open the tool. I have a regular Skeletool, and in my experience, when opening it the pliers might tend to stay with one half of the handle, or the other half, or split open. So after opening the tool, you might need to fiddle with it for a moment to get it in a state that's comfortable to grip securely. So it seems to me that this is not a particularly speedy way to deploy a glass breaker.
I'm also unfamiliar with another tool that's been mentioned here, the Benchmade Triage. I've looks that up as well and will do some more research on it.
As an EMT, there are two tools I carry in my uniform pants all the time. The first is the Leatherman Raptor, which is primarily trauma shears. It also features a glass breaker, strap cutter, ring cutter (albeit of dubious usefulness), and oxygen tank wrench. The second tool I always have is the Gerber Hinerer Rescue Knife, which has a fully serrated blade with blunt tip, glass breaker, strap cutter, and oxygen tank wrench. Either one of these would make a better glass breaker than the Skeletool RX, because the punch tip is already out in the open to begin with, so all you have to do is grab the tool and punch the tip into the glass.
So the only thing the Skeletool RX has that either of these tools doesn't have is the pliers, and the bit driver. But besides my two "rescue tools", I also carry a Leatherman Charge TTI. So the Skeletool RX cannot replace any single tool I already have, nor allow me to consolidate multiple tools into one. There is nothing it can do that can't be done with a tool I already carry.
That being said, I may end up buying one partly because I like the Leatherman brand, and partly because I like rescue tools. I'll probably end up getting that Benchmade Triage as well, for the same reason. But I doubt anything will cause me to change what I carry now.