COMPUTERLAND TO BE ACQUIRED BY INVESTOR GROUP Computerland Corp said an investor group led by the financial services firm E.M. Warburg Pincus and Co Inc has agreed to acquire Computerland's business. Computerland, a privately-held company said to be the world's largest retailer of personal computers, declined to provide details of the arrangement. But the company said it expects to close the acquisition over the next 60 to 90 days. In announcing the transaction, Computerland said the acquisition will provide it with resources and support to maintain and expand its leadership position in the computer retail industry. Computerland also said its network retail sales in 1986 totalled 1.45 billion dlrs.