Are you familiar with virtualization? If not you can check out this good CNet News FAQ. Dell is bringing back WindowsXP as an OS option for home computer systems. Well this is a surprise, Microsoft doesn't think much of Apple's iPhone.

"However, it's a closed device that you cannot install applications on, and there's no support for Office documents. If you're an enterprise and want to roll out a line of business applications, it's just not an option. Even using it as a heavy messaging device will be a challenge," the executive added.