Generally, people buy desktops first. Once acclimated to the system, the hooks are in now, you begin to think more about size and weight. The second purchase is the Notebook. The third purchase is the Palm-size computer. And the Dick Tracy watch is coming soon.
Software presents even more choices for the professional sales representative.
You'll have to consider software for word processing, spread sheets, account management, database management, voice activation, organization calendars, personal finances, and web-authoring. If that isn't mind boggling, you're routinely enticed and encouraged to upgrade your software to remove old problems and add the newest, latest, greatest features you can't possibly do without. I could never go back to the days of pencil and paper. Technology and all that it inspires has many benefits. It also can create absolute havoc if you're not patient and careful.