Initial reaction: huh? Feeling after actually holding and using it: not so bad. Just Mobile's AluPen ($20) is the latest iPad-friendly stylus, distinct from the dozens of others out there because of its unusual shape -- it looks like an oversized solid aluminum pencil. As contrasted with the small thin metal tubes that are commonly sold as styluses at this price point, AluPen's size and hexagonal cut makes for an easier, more comfortable grip, though…
