No fancy WX yet. Supposedly coming. They pick up inflight WiFi with ease. The thing I'm most looking forward to are enroute charts.
Like everything in the airline world, ultra-conservatism rules, which is why a guy in a biz jet has better stuff than we do. But it's still a massive leap beyond 40lb of freaking paper.
I haven't encountered anyone who has lost one yet. AFAIK the company will replace it once, no q. asked.
About 2% of the guys I've talked to think the company is NSA-like, and that they are reading all your emails. Uh, no. I'm not going to browse drug or child porn stuff, don't do it anyhow. And yes, you can secure it in many ways if you feel the need.