Mac App Store problems; the defective Thunderbolt Software Update; and more analysis of Apple's announcements: the MacBook Pro Retina Display (batteries, sealed design, features, pricing, software compatibility); Thunderbolt (vs. ExpressCard and USB 3) and port adapters; Mac Pro future replacements; the discontinued 17-inch MacBook Pro (and its discontinued features); iOS vs. Mac OS X (similarities and differences); WiFi vs. wired Ethernet (and security issues); poor quality video content; screen cleaning and more.