I was induced with my 2nd son as i had merconium (sp??) in my waters but i probably don't have anything usefull to add as you have received some great info already.

...I just wanted to say good luck and that your daughter is a lucky girl to have you by her side. LIke most things in these circumstances the lead up is the hardest and once you are there everything will fall into place. I hope your daughter has a trouble free labour and that you are holding your new grandchild in no time