Patrick_210 had my next guess and it's a really important thing to check. I'm sure the lack of having this checked off is causing all the black. To check it, go to the rendering room, first tab in the rendering tray on the right and it's in the list of options for photo-realistic. I'd also put in a plane (substituting in a table thingy). Then you have somehting to cast shadows onto and such. It will also give the glass another thing to refract. Let us know how it turns out and do post what you've got. -Kix

-Kix