The Grrripper isn't new. It's been out for at least 10 years now. I have 3 of them, two for the table saw and one for use with the router table (with the 1/4" side piece removed) and I can't work without Grrrippers anymore.
They have much better gripping power than anything else that I've used and are a giant step forward in table saw and router table safety equipment. If you watch Micro Jig's videos and learn how to properly use the Grrrippers you will quickly appreciate how much safer they are to use over the old push sticks, etc. One of their best features is their ability to hold both the part being cut and the off-cut in a perfect positional relationship all the way through the saw blade to where you can slide both pieces around the spinning blade and back to the front edge of the table without ever releasing control of the Grrripper or the 2 pieces of wood. The blade gap remains the same width during this, right up until the Grrripper is lifted off of them after the cut has been completed. They also hold the piece being cut tighter against the fence than you could ever do by your hand and push sticks, resulting in consistently more accurately cut parts. The training videos are on Youtube, so they can be watched for free, or you can buy their DVD for $10.
I'm working in the workshop of a large science museum. Last week I took my two GR-200 Grrrippers there to demonstrate how well they work for me on a table saw and router table, and to show them how to use the Grrrippers properly. They were highly impressed and will likely be ordering Grrrippers next week. If you own a Grrripper, do yourself a big favor and learn how to properly use it by watching the videos on Youtube. Once you understand what they can do, I'm certain that you will use them, begin to like them, and will then be showing others how to use them.
I'm not connected with Micro Jig in any way, except for being a very satisfied owner/user. They're expensive, but very much worth it for the safety and cutting accuracy improvements that they make.