It would be nice if some buttons were defaults - activated when enter is pushed.
One big time saver is all the explorers I have to send out. Right now, I have to move the mouse to carefully click on the number, delete the number, type the number of explorers I want to send, then go back to the mouse to click on send. It's a fair amount of work for such a simple thing.
What would be better is when I select to send explorers to a sector, as soon as the dialog popped up, it would have the cursor in the number entry place. This won't be bad for people who just use the mouse since any mouse operations would not have any extra work due to the cursor being in the number entry box. It would however save time for people like me who don't have to carefully click the number to place the cursor there. Also, it would be much faster to just press enter when I was done typing the number, and that would send the entered number of explorers where I told them to go. Right now, when enter is pressed, the dialog vanishes... and nothing happens...
Placing the cursor automatically in the number box would save quite a bit of time wherever it is done, and people who just use the mouse would not even notice it. Having enter activate a default button could also speed things up - just make sure enter never does anything that would cost something by default.