We recently reviewed the 15-inch version of the ultra light-weight Galaxy Book Ion and were very pleased with it - all except for one major issue. Despite its good connectivity, its driver issues mess with its overall rating. We hope the manufacturer will be sending an update.
https://www.notebookcheck.net/The-15-inch-Ultrabook-Samsung-Galaxy-Book-Ion-is-great-but-it-still-has-some-issues.498012.0.html