Apple CFO Muses On iPod Halo Effect, Mac Mini, Moreby Peter Cohen, MacCentralAlthough Apple's marketshare hasn't moved significantly yet, Peter Oppenheimer said there is anecdotal evidence to suggest that things are moving in that direction, including a steady stream (in the range of low to mid 40 percent) of first-time Mac buyers at the Apple retail stores and increased uptake of iBook and PowerB