Grid Systems, maker of stylish and sturdy portables that find homes in Defence establishments and Space Shuttle programmes, has released two new versions of its Compass, along with software for more down to earth users. The new systems have 25 line electroluminescent screens with 128 characters a line, and they will set you back anything up to £7,950. The software packages have familiar names - GridMaster, GridPaint and GridTask. GridPaint costs £350 and the other two £250 each. The machine and software are distributed in the UK by Thame Systems.