I guess September will eventually become a decent indicator of hardware once normal stock levels come back. But for now there's probably no predictive value at all. Best indicator of hardware performance is probably MGSV game sales. PS4 will no doubt be getting the bigger hardware boost from that game this week.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix