I first started using a Franklin Day Planner (way before it became Frankly Covey) in high school because a lot of adults that I knew were using them and I thought it looked cool. I didn't really understand the concept of goal-planning back then, but now I do and now I prefer Brian Tracy's method of goal planning over the Franklin Covey method.
Both Franklin Covey and Brian Tracy's methods are similar: decide on a long-term goal, make sure it's what you really want, break it down into smaller subgoals, put it onto a timeline, and plan your days/weeks/months so that you are constantly accomplishing manageable tasks that get you closer to completing your long-term goal.
While the Franklin Covey method may result in a more well-rounded life and a more complete mission plan for your life, the last time I tried to complete a Franklin-Covey goal planning session, I was too lost. I just didn't know how to put together an entire life plan.
Brian Tracy's Goal Planner workbook takes things a little slower and was easier for me to work with. Buy the PDF instead of the soft cover version. This way you can always re-print the PDF and revise your goals whenever you need to.