Gemm, go for it! What can you lose except a lot of fabric? You will gain, at the very least, a donation quilt and perhaps a stunning example of your use of color and design.
Julie, who says that you need to even approach the give away table? If you have plenty of fabric, leave what is on the table for others to chose from. Go to the meeting, then when you return home revel in your own stash and make a quilt or two to bring to the next meeting proving to your group that you can create from the beauties that you have at home.