Adding a personal anecdote to this. The deployant strap on my 360 broke last week, so I had a week of enforced vacation from the 360 to compare before-after and see how much I really liked it. Too tell the truth, I'd actually been feeling kind of "meh" about the 360 and wondering why I really needed it, if I even did.
Here are some things I noticed:
1. Phantom leg vibrations stopped when I got the 360, but once I stopped using the 360, they came back with a vengeance. (I've never had phantom wrist vibrations.)
2. It really is a lot more disruptive to pull out my phone at dinner etc. if I get a call or e-mail from work (devops). The 360 lets me judge things quickly and relatively unobtrusively. Related, I also missed a lot of notifications for people trying to get ahold of me by chat (which I encourage people to do instead of phoning, since I have profound hearing loss).
3. The Fitbit HR (I wear it on my other wrist) is way better for telling time. I can hit the button and see the time faster than the 360 -- this has to change in some way for the 360 to be a smartWATCH.
4. I really missed being able to reply quickly by voice on the go when I wasn't able to pull out my phone.