Wave goodbye to: Wedding planners who might steal your man (kidding!).
Say hello to: Day-of coordinators. If you find it hard to organize your wedding without a planner, then consider day-of coordinators who will make sure your wedding day will go off without a hitch. According to Offbeat Bride, "A good DOC will do quite a bit of troubleshooting for you in the weeks prior to your wedding."
Here is a great checklist from About.com to help you figure out if you need a wedding planner, could use a DOC, or can even do it on your own.