I never thought about it when we bought a pre-lit Christmas tree last year, but when you buy such a tree, you're sort of married to the color scheme (in our case, all white) for a long time. What if, after a period of years, you decide you're tired of all-white lights? You could replace every lamp in the tree, but that would be ridiculously time-consuming. Re-stringing the tree would be even worse. I do remember seeing something in a store last year that I thought was a very clever idea: little colored "caps" that you could place over your existing mini-lights, to convert them into a different color or style. Some of these caps even had a faceted, "jewel" effect. Now that I could see doing. Trouble is, I haven't seen anything like that this year, in any store. I can't even find them online. I'd love to know that somebody carries them, so that, a few years down the line, I can change the look of our Christmas tree if I want to. Anybody seen anything like this, or know where they can be gotten?