Sun Microsystems Inc is tipped to beef up its effort at the low end of the workstation market in a bid to take on the Apple Mac II and the NeXT Inc Unix workstations. According to MacWeek, the company will early next year will introduce several low-end Unix workstations that also run MS-DOS, starting with a general purpose 68030-based box, and followed by additions to the 80386 based 386i line. Sun is also said to be eyeing retail distribution via the likes of ComputerLand Corp and Businessland Inc.