CNet has learned that Apple is considering doing head-to-head PC-Mac comparisons in Apple Stores: One strategy under consideration would involve bringing Windows PCs into the stores, where customers could presumably be shown the advantages of Macs. If the proposal is adopted, PCs from one or more manufacturers would be compared with Macs, the sources said. Apple also plans to run Connectix VirtualPC--emulation software for running Windows on Macs--on store demo units. This too would be part of the "conversion" strategy, showing potential PC customers that they could continue using current Windows software on their new Macs. Apple seems to be getting serious about converting PC users, with the PC user recent survey, and of course, the ever expansion of Apple Stores.