I have been carrying an Asus 10" notebook computer on trips for several years. It still works but has become almost unusably slow. The problem seems to be limited memory. I guess updated versions of operating system software are just using up nearly all the available memory. I can sort of run Mapsource and Explorer, but not at the same time. I am looking for suggestions on what to replace it with. My main uses are trip rerouting using Mapsource and Basecamp, internet access, email, etc. I also need it for Word and Excel. I don't have a smartphone and really want to avoid getting one.