You can join the 100 things challenge: http://www.guynameddave.com/100-thing-challenge.html One problem I've found with it is that people buy me worthless gifts (gifts I don't derive value from because I don't use them). I've created an online list of things I want at kaboodle.com, or more exactly, a list of things I wouldn't mind possessing, but my family refuses buying anything on the list because that's "spoiling…
Next year I'm going to try picking a charity and asking for nothing but donations in my name. I'm going to pick a popular one, too, not a obscure and ignorable "geek" charity or something, but one that may actually induce guilt if they ignore the request. Maybe that will at least cut things down.
(Come to think of it, maybe I'll pick a Celiac Disease foundation or something, since I have that. A bit more self-serving, perhaps, but even more likely to induce guilt if ignored. I hate a swing "guilt" at the issue, but I've tried mere protest for a couple of years now to no effect.)