Client cache idea
I was at MMS and I know you guys are working on this, but I thought I would share a simple idea in case no one has thought of it. Make the current cache size setting into the "Base" cache size. Add a second setting called "Expanded" cache size. Normally the cache will be at the base size, but when it needs to download something larger than the base amount, the expanded setting kicks into effect. For the expanded setting, you specify "Use up to x% of free space on drive" The expanded setting would use as much cache as needed, but would never go over the % that you specify in the expanded setting. Once the installs are completed, the cache would purge what it needs to go back down to the base cache size.