Congratulations on embarking on the 61 Day Challenge. I want to thank James Newman for starting this up at JPs, and of course JP for having the most kickass fitness forum on the 'net. I used to particiapte in the 52dc on Men's Health and found them extremely helpful and motivational.
Google spreadsheets seems to have become the tracker sheet of choice for this challenge. It is accesible from anywhere and allows us to publish our progress for everyone to see if we wish.
It is however a new application for some people. If you need help getting started please feel free to check the links out on the left. If you still can't make it work, feel free to contact me at JPs or at ogedei@gmail.com