Of course, if you want to bottle/can tomatoes, then the grating method will be as useful as a chocolate teapot.
Have a look at this video from a fabulous blog,' Northwest Edible Life'.
I just cannot believe how quickly she skins tomatoes whole - the most efficient thing I've every seen! Makes this chore look so easy - I absolutely hate skinning toms.
She also has a book out, from yesterday. I haven't read it of course, but it looks good. I don't get any payment by the way, just love a good book about home preserving and home keeping - go through the link to Ohiofarmgirl below though, as she gets a penny or two from Amazon for referrals.