Available immediately: Approximately 30 Mostek MK4801AN-1 (aka "4118A") 1K*8 SRAM chips with 1982 date stamps. You pay USPS priority mail shipping ($3.95) - first to reply to me at "shoppa(a)trailing-edge.com" gets them. Also available: about 100 Motorola MC4024 VCO chips. Same deal. Tim. (shoppa(a)trailing-edge.com)