I have a 2001 Saturn SC2 with sunroof and have had floorboard leaks since I bought the car in 2002. We have taken the car numerous times to the dealership and they claimed to fix it each time, claiming sunroof blockage to a bad door seal. The leak takes place with rain (parked or moving) and seeps up and pools on the driver's side. I have also had a leak in the back seat, though it does not happen as often. Any advice would be greatly appreciated! Would it be a good idea to seal off my sunroof?

there are countless places a saturn can leak water, its a common problem. just where is the problem for you is the question.

first, the sunroof has 4 drains, one in each A-piller and one in each C-piller. check them for blockage.

two other leaks are covered here - http://www.saturnfans.com/forums/showthread.php?t=36267

there is one more off of the top of my mind that leaks thru a "smile joint" weld on the firewall.