Show total resource production levels in player profile
This is more of an idea to help calculate when you might be able to have enough resources to upgrade something.
In the player profile, for each resource, show the current and maximum rate of production (per hour). The current rate would be equal to the maximum rate minus any collector that is full or under construction. The player can then tell if they need to find the full collectors to empty out or they can use the current rate to determine how many hours it will take to collect X amount of resources. It will also show the player, how much of a hit to production you take when upgrading a collector. To figure this out now, requires you to visit each collector and hit the info button, however, doing so also forces you to empty the collector into storage, which you may not want to do.