THANX ALOT, IM GONNA GO FOR THE RAD. PROBABLY PWR OR TOOMEY, I ALSO HEARD FLUIDYNE HAS ONE BUT I DONT KNOW THE $$ OR QUALITY. BUT IVE READ ALOT OF POSSITIVE COMMENTS ON BOTH PWR AND TOOMEY HERE. YOU THINK ILL HAVE TO PUT A PIECE OF CARDBOARD FOR THE WINTER? IM IN MIAMI,FL. IT GETS ABOUT 40DEG. THE COLDEST(RARE TO SEE IT THAT COLD) AVERAGE ABOUT 60'S..