Prime Computer Inc is extending its policy of surrounding its core 32-bit minicomputer line with products acquired OEM by signing to buy $75m of Sun Microsystems Inc workstations for use as delivery platforms for its Medusa computer-aided design software. It will initially offer Medusa packaged up with the 68020-based Sun-3/60 workstation as a turnkey system called the WS3600, but the three-year supply agreement allows it to buy any Sun product. The WS3600 with 4Mb CPU, Medusa 2D+ software, Ethernet controller, 19 colour monitor, graphics tablet, mouse, Sun Network File System and NeWS windowing system, 141Mb disk and 60Mb quarter inch cartridge tape drive is $39,900 in the US, UKP31,920 in the UK, from September.