These are all I'm buying now. I'm done with the GE/Jasco MOSTLY....see below.
Except for this one and the 26933(dimmer version) Having a line powered motion detector built into the switch is just a genius idea as far as I'm concerned. And I LOVE how they allow you to use a local (in switch) turn on as a mode. I know this does confuse some but it's simple. There is a mode that can be set on the switch as follows:
Manual. Switch operates like a normal zwave switch, Motion detector operates like a normal zwave motion detector. Both reporting back to hub.
Occupancy: If motion is detected immediately turn on the switch (this is done in the switch instantly) also notifications of switch state and motion are sent to hub:
-----there is a settable timeout period here, up to 30 min. where it can locally also shut off the light.
Vacancy: User has to manually turn on the switch, but if it's turned on the motion sensor kicks in LOCALLY and turns the light off in a predefined amount of time. just like above.
What I like and use this for is during times of day when I have lights come on automatically with motion...I "enable" Occupancy mode. While HE is VERY fast compared to ST still nothing is faster than the motion sensor and switch itself turning on. I do this in my kitchen during the day/most of the evening. At 8:30pm I switch to vacancy mode. That way the light doesn't come on automatically (I have other accent lights on around the kitchen that are on, and they use just the motion sensor part of this switch even though it's not turning on). But if someone turns it on, it will shut itself off. All of this is still usable with rules and OTHER motion sensors to keep lights on too. I find it to be fantastic. I use one in my half bath (dimmer model) that I always want that light coming on as fast as possible. I'm also able to use that motion sensor for another light in there as well as the fan. Of course if your light switch is not in a physical position to act well as a motion detector, it might not make sense. I use this in my kitchen as I stated with another motion detector in the pantry working together. I use a switch version on the stairs down to my basement. As you go to walk down the stairs those lights are on instantly. Another motion detector down there keeps the lights on while in the laundry area.
I've been asking @ericm if I can convince Inovelli to add a motion sensor to one of their switch lines 
EDIT: One slight disadvantage...example is Half Bath. I have that light come on to different levels based on time of day/mode. Because the switch is turning the light on all it does is turn it on. But since I also have a rule turning it on at a set level what you get is the light turning on and then (if the mode/level has changed) the level changing. Obviously this just happens the first time when you enter that mode or time of day. It also shows how much faster the local turn on is vs/the round trip and rule processing from the hub.
ALSO agree that rip the guts out of that light and stuff a LED fixture in there is an option.
