Irvine, California-based AST Research Inc is negotiating with Circuit City Stores Inc for the distribution of the company’s personal computer products: the initial proposal calls for sale of some products in a limited number of test markets and AST is developing a new personal computer product line for the consumer retail market; the company plans to include software, mouse pointing devices and a key feature planned for the new micro line is a relatively short set-up capability designed specifically for consumers with little or no experience of personal computers.