You could put 1000W on the 60A controller. That's called over paneling. The extra potential will simply go unused once the 60A is reached.
Your 150/60 will easily handle 800W of panels. Keep in mind that if your battery voltage is actually 13.5V, for example, then it's 800W / 13.5V = 59A. And how often will you actually get 800W from 800W of solar panels?
Given the Voc of the panels you can put them in 4S if you don't have any shading issues. Otherwise 2S2P would work.
BTW - have you played around with Victron's MPPT calculator?
MPPT Calculator - Victron Energy
www.victronenergy.com
You can enter your own custom solar panel details and it will recommend the best SCC. But I have to admit that on occasion it seems to make the wrong recommendation.