from what i can tell DACG comes out faster when it is buffered than dash grab. and just based on testing with my friends by making them stand in certain arrows on Final Destination, from the center DACG (actual grab comes out at the center) appears to grab farther out than standard dash grab but i can't confirm that without other people to test this out too. I know it makes us both slide more and extends our grab box when reversed farther than standard reverse grab. this is why i think it is the same for an extension on the standard DACG. but like i mentioned im not confirming that without other people confirming it too.
i think ill start an examination section on the properties of DACG in the OP. care to help on that one kuro? ill start it with your first post on it and add you to the credits and such since my wii is down in auburn at Blaze's house. we both paid half of the price for the wii so this wiik is his wiik to have it