Back in early October, I wrote about the coin jar my Beloved and I keep, which we cash in at the end of the year to buy ourselves a holiday present. Well, now the end of the year is approaching, and I have the fun task of deciding where to spend my share. He estimates we'll have $300—$400 each to spend on the gadgets of our choosing. Here's what my thoughts are about where to spend mine. (And by the way, I welcome your comments on any of my choices—or suggestions for stuff I haven't considered. And I'd love to hear what...