Apple’s new Mac Pro vs. the iMac Pro: Is it worth upgrading?

Modularity is the word of the day as far as Apple’s newly announced and redesigned Mac Pro is concerned. The computer features a return to the older “cheese-grater” look, but redesigned and with a strong eye toward flexibility and expansion.
The question for owners of the most recent desktop Mac powerhouse, the iMac Pro, will be: Should I abandon my current system for the new Mac Pro, which will start at $5,999? (The iMac Pro starts at $4,999, but includes a 27-inch 5K display