- They're heavily dependent on peripheral tools and equipment.
- They periodically cut you off right when you think you've established a network connection.
- They'll usually do what you ask them to do, but they won't do more than they have to and they won't think of it on their own.
- They're typically obsolete within five years and need to be traded in for a new model. Some users, however, feel they've already invested so much in the machine that they're compelled to remain with an under-powered system.
- They get hot when you turn them on, and that's the only time you have their attention
