So far in the world of internet dating, I have found that OkCupid works the best for me. There's another OkC has these great essay boxes to fill out. Like any good resume, revisit your profile every few months and make sure it stays relevant.
Writing your online profile is about as much fun as writing a resume and cover letter. Professional writer Dean Shanson, author of Internet Dating: A Personal will makeover your profile, headline to essay, so you stand out from the e-crowd.