I`m suggesting you to build a complete PSD template and submit it to Themeforest. If it will look great and will be accepted for sale, there will be a lot of authors who will want to convert it into any CMS you want.
DeliciousThemes – Yes, that would be the safest thing to do. But I was kind of hoping to find developers that could look at a rough design and conclude whether or not it has potential. But thanks for the suggestion, I appreciate it.