Compaq Computer UK Ltd is to supply the Post Office with 500 personal computers, bringing the total of Compaqs installed with the mailmen since April 1987 to 2,000: the contract is for a variety of Compaq Deskpro models, the majority of them original Deskpros, but the order also includes some of 80386-based Deskpro 386s; the systems will be used throughout the country for general spreadsheet, word processing, database and quality assurance analysis for letter delivery.