Dell Computer Corp, Austin, Texas has tapped Douglas MacGregor from Data General Corp to be its new vice-president of desktop personal computers at Dell Product Group LP: MacGregor was previously president and chief executive of Solbourne Computer Inc, which he founded in 1986; MacGregor was fired by Solbourne’s board after the company failed to unseat Sun Microsystems Inc as market leader in the workstation business; MacGregor told the Wall Street Journal he hopes to strike a balance between pushing the development of new technologies and keeping the company focused on the mainstream computer business.