Firstly, CONGRATULATIONS, Grandma-to-be!
Christine is right. . .they may prefer Pamper type diapers to cloth ones. I had a diaper service when my kids were little and LOVED IT (no messing around with diapers at all)! However, you might want to casually ask if she prefers cloth diapers or not.
I like the restaurant gift certificate idea, or how about something like this: Home Bistro (homebistro.com) is the leading home delivery service of chef-prepared meals. Founded by two chefs formally trained at prestigious culinary institutes, Home Bistro does the meal preparation for you—from shopping to chopping—leaving its customers to focus on what they truly love: eating! Beef, chicken, seafood or pasta, within minutes you can enjoy a mouthwatering homemade dinner that you and your family can feel good about eating. Click here (www.homebistro.com/wd) for a special 15 percent discount off your first order—for WomansDay.com users only.