And puffing up at the rear of the field is Stellar Computer Corp, Newton, Massachusetts, whose GS1000 graphics supercomputer is due out in the third week in March at from $75,000 for the 20 MIPS model of the Unix workstation, $125,000 for a 40 MIPS version: the machine, originally promised for early last year, will ship this month; Stellar was founded by William Poduska, who left another of his creations, Apollo Computer Inc, to start the new company – with Apollo’s blessing.