Aren't making your own Halloween costume this year? No sweat — Spirit is here to save you. The mega once-a-year costume shop has been popping up in towns across the country to get ready for the upcoming frightful holiday, and the good news is, it's got plenty of geek-inspired costumes for you to choose from. I've picked out 10 eye-catching numbers from its 2010 lineup, and now it's your turn to vote. Tell me — do you love 'em or would you rather leave 'em?