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6. Dell OptiPlex 9010 AIO Touch 23-inch, $1209
Like the Lenovo Edge, this Windows 8 all-in-one lets you control your computer by touch. But for businesses concerned about security, there's a unique one-touch feature called Dell Data Protection. You can enable a template that secures all data with encryption, meeting federal FIPS guidelines for security. The Touch version includes an Intel Core i3 3.3GHz processor, 4GB of RAM, and a 250GB drive.