The derivation of the W mass value of 79.91±0.39 GeV/c 2 is discussed. The present limit at 91 GeV/c 2 (95 % C.L.) on the mass of the top quark is also presented. In the next two years of data collection, we expect to collect significantly more luminosity than in the past. We discuss prospects for the discovery of the top quark and improvements of the current measurements.