I freaking LOVE the upgrades.
I just wanted to say thank you, thank you, thank you, TS, for nerfing the game so it was fun again. I realized that if I have piles and piles of stuff, and don't play out of boredom, and all the skills learned, and a good proportion of the achievements... The game was too easy. And I, for one, am super thankful that you made it harder again without making us miserable (well, most of us. You can't win them all).
Thank you, TS, for doing the right thing and doing it well. I lobe you all.