I got the Gear S3 Classic LTE. I was so glad I held out. The watch looks more feminine in my opinion (depending on the band). Now, I've developed a serious band addiction. I am at about 10 bands now. I have work out bands, work bands, fancy bands, casual bands, funky bands...
Since I got my watch, I tried some of the fun apps, but found most of my usage is stock apps and S Health. I keep a couple on the watch to show people for a Gee Whiz factor, but don't actually use them myself.
The best part is meetings. When I meet with clients I don't want to be picking up my phone in front of them. It's rude. But if I'm not actively speaking in the meeting, no one will think anything of me glancing at my watch. It's saves me a couple times as I saw things happening that I needed to excuse myself to take care of.
Also, I keep my phone on vibrate now about 99% of the time since I have the watch.
Oh, and I've lost 10 pounds thanks to the fitness side of the watch.