The Apple-focused blogosphere is still chugging along, even as the summer sun starts pounding down. While Apple’s new MacBooks have been getting good reviews for the long lives of their built-in batteries, the iPhone still isn’t getting battery raves. More and more users seem to be using external battery packs to give their iPhones a new boost of juice. Meanwhile, the 13-inch MacBook Pro seems to be selling surprisingly well, and tracks left behind by an elusive next-generation iPod touch have been spotted in the wild.