yep - they're replacing it tomorrow morning!!
mine is broken somewhere, the mounts i guess, it's very loose, you can wiggle it in and out a fair bit, yeah, huuuuge puddle of water down in there after washing the car or driving in the rain.
I suspect I may have another water leak elsewhere, I pulled out the whole trunk liner, bottom and sides, and i noticed that the liner for the right side was wet all along the bottom, and i saw a small trail of water leading along the edge of the trunk and disappeared up beside the back seat. hmmmm....
first I'll get this vent taken care of, and then I'll investigate further.
my_bd 2004 Saturn Ion Redline - 13.1 @ 110