Sam,
You hit the nail on the head. It is in fact the "Graver Helper" or poorly spelt "Craver Helper" that I have. I feel hugely embarrassed now....
That's right...I'd forgotten about the misspelling "Craver Helper".
No need to feel embarrassed. You're a newbie at this and it's an honest mistake...if it even is a mistake.
The first order of business is to get your gear running so you can engrave, or get your money back which is what I'd advise. GRS and Lindsay tools are occasionally available used, so that's how you would get the good deal that you're inquiring about. As for new products, they're going to be expensive and I'm not aware of anyone giving deep discounts.
GRS has been making the GraverMax series for many, many years and there are tens of thousands of machines out there. An older Gravermax in decent condition will suit you well. Those machines run forever and will outlast all of us. The price is usually right on them since the newer generation of GRS machines have come out, and those old Gravermaxes are workhorses.