I love layering my punches (ie the scalloped circle and then smaller circles on it, decorative label with modern and/or curly label). So consider how you will use them individually versus layered. I also love the scalloped edge punch.
I don't have a cutting machine but I would think that one of the advantages is the ability to stamp and then punch for me this is essential since it makes up for a lot of crooked stamping since I can line up the punch however I stamped the image.
Sounds like an exciting deal! Let us know what you choose!