economic Jetson emulator

which nvidia hardware would speed development on Jetson?

looking for case histories, examples of use and issues arising

Intel CPU and faster GPU:

ie some Apple Macs have GTX 780M SM_30

gaming computers might have GTX 980 SM_52

http://elinux.org/Jetson/Emulators

please note I am considering upgrading main box SM_11 but what to buy?