I have a friend who does technical writing/instruction documentation for different companies. All he uses now is an Ipad 2, a Bluetooth keyboard and a stand/docking station.
He says he can take to the client's job site, set up in few minutes. He uses Quickoffice for most things and can work easily form anywhere. The last few clients he worked for were so impressed by his setup they hired him for more/larger jobs. He walked in and they asked him what kind of setup he needed. He pulled out the Ipad and keyboard and told them that all he needed was a table with a wall outlet nearby. They told him the last guy they hired needed a computer with a dual monitor setup and a whole list of things.
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