I use my Mac Pro for non-trivial tasks that involve a lot of documents or research... When I am in my home office.
I carry two laptops when I travel, a maxed out 15" 2011 MBP and a middle 2011 11" Air. The Air I use mostly on tray tables in planes and the MBP when I am at a desk (hotel, visiting an office). At home, the MBP is in my office and the Air is mostly next to the couch.
I have two iPads, one sits next to the couch and one next to the bed. I often do not travel with an iPad, but if I do, it's used to watch tv shows on the plane or play games. I don't really use it enough to justify the weight and space most trips, but if I really want to catch up on a tv show, I will take it.
This system seems to work well for me.
I carry two laptops when I travel, a maxed out 15" 2011 MBP and a middle 2011 11" Air. The Air I use mostly on tray tables in planes and the MBP when I am at a desk (hotel, visiting an office). At home, the MBP is in my office and the Air is mostly next to the couch.
I have two iPads, one sits next to the couch and one next to the bed. I often do not travel with an iPad, but if I do, it's used to watch tv shows on the plane or play games. I don't really use it enough to justify the weight and space most trips, but if I really want to catch up on a tv show, I will take it.
This system seems to work well for me.