I use a magic trackpad and find it very good at giving me the best features of a mouse/pointer interface and a touch interface combined. You can do things like

I use a magic trackpad and find it very good at giving me the best features of a mouse/pointer interface and a touch interface combined. You can do things like two-finger scroll in any document and 3 finger swipe between desktops minority report style... All kidding aside, it seems very productive, but I still keep a mouse plugged in just in case I need to run Visio inside a Windows 10 VM to do some diagraming... Mouse is much more precise and less fatiguing to use for serious diagramming...