This document compares and contrasts three personal digital assistant (PDA) models: the Palm IIIxe, Handspring Visor Deluxe, and Casio Cassiopeia EM-500. It discusses the price range and basic features of PDAs in general, then examines the screen size, resolution, battery type, operating system, and other specifications of each specific model. It concludes that the Palm IIIxe is the best overall choice due to its low cost, light weight, and high screen resolution compared to the other options.