Stratus Computers, has reported a sharp increase in sales in the first quarter of this year, up from £95.3 million ($155.7 million) to £103.8 million ($142.9 million). The group, which employs 250 people at Blanchardstown in Dublin, said sales were up across all of its sectors of business, including its hardware and software applications. Stratus has announced that another 150 people are to be employed at its Dublin operations.