According to the Florida DMV website (as of 10/03/08) The fines are as follow:
MPH over limit Traffic School No Traffic School
6 to 9 MPH $76.00 $80.50 10 to 14 MPH $137.50 $155.50 15 to 19 MPH $158.50 $180.50 20 to 29 MPH $178.50 $205.50 30 MPH & Over $260.50 $305.50
Additionally, if you elect the option to request a court appearance for the violation(s) and it is determined that an infraction has been committed, the Court may adjudicate you guilty, assess points, impose a civil penalty not to exceed $500 ($1000 for violations involving a death or speeding in school/construction zones) or require you to attend traffic school or all of the above. Your insurance rates may go up or your policy may be cancelled.