MicroAce Sinclair ZX80 USA Sinclair ZX81 Brand: CompShop Ltd.Model: MicroAceCountry of origin: USA (kit), UK (company)First year of production: 1981Price: $149 1Kb kit / $169 2Kb kit MicroAce1348 East EdingerSanta Ana, CA 92705(714) 547 2526 MicroAce