Driver floor board filling w/Water when rains...HELP!!!!

I have a 2005 Forenza, just since the rainy season hit here, my front driverside floor board is filling with water.  I have pulled back all the carptet, the foam padding (short of stripping the firewall) and I can't see where it is coming from.  It isn't leaking in from the door seals, just seems like it is magically appearing like LAKE SUZUKI over an inch deep, of course depending on the amound of rain.  I need some serious help, no longer covered by warranty and they want $80/hr....I'm desperate.