Thats my plan. I want the dongle version so I can program in the comfort of my home, and then move the dongle to my control machine in the shop when I cut the project... At least thats the plan I guess the primary drawback is losing the dongle!
I committed to the dongle version today and should have it in a week or two. It will be at least a month after before the Tormach mill it will be used on arrives, though. Hopefully by then I'll have learned enough of SprutCAM to make some simple parts.
I did email SprutCAM about use on 2 PCs by moving the dongle but got an ambiguous reply. Hopefully that was due to translation issues and swapping the dongle between PCs will work.
Losing the dongle *is* a potential problem. I've lost 2 USB flash disks in the past month and am always wondering where I've left my glasses.
Yes the dongle version will allow you to install SprutCAM on two (or more) PC's. SprutCAM will only run on the PC which has the USB dongle plugged in.
The softlock version is locked to a single PC which can be a bit restrictive.
Yes, you will have to be careful that you don't lose/break the dongle, my advice would be to make sure it is specifically mentioned on any business/home insurance so that you are covered should the worst happen.