While as I .Net Developer I grant it's a bit of an architectural paradigm shift to go from a single to a multi-threaded application design. However I do hope performance on the headless server continues to improve and increase over time.

Though it is disappointing that as of current game design ...

I've noticed a minor bug that the inventory panel doesn't refresh it's read-out sometimes. My apologies I don't have anything like an error log debug report. I'm looking to get into modding because I miss Applied Energistics from FTB/Minecraft.