They've compromised somewhat on this between the two systems, taking the current AAdvantage domestic upgrade process, with unlimited complimentary upgrades on short flights. (viewfromthewing.boardingarea.com)
One key difference is that all elites will get unlimited complimentary upgrades for flights under 500 miles. (travelcodex.com)
Platinum Pro members will receive unlimited complimentary upgrades in 500 - mile upgrade markets, nine award miles for each U.S. dollar spent, a 72 - hour upgrade window, two checked bags, and oneworld Saphire status. (frequentbusinesstraveler.com)