Apple’s desktop Mac update dominated the conversation in the Apple blogosphere this week. The company put out two press releases and updated its online store with little fanfare, but it was enough to spark posts galore. Meanwhile, might Apple’s iPhone Safari mobile browser share be slipping? With its new desktop Macs, Apple basically kept the form factors for its iMac, Mac mini, and Mac Pro the same. All systems picked up new processors, and most units got updated graphics, frontside bus boosts, and more RAM, along with bigger hard drives and/or upgrade options.