That's interesting, pre-measuring would definitely be something to look into. Right now I just make a pot in the morning, eyeballing the grinder level. :)
Since I don't have espresso equipment capable of creating european style espresso, I too make coffee by hand pouring hot water through the grounds. I have to confess that my 'handbrew' set is just an old coffee maker which ceased to function. lol
Light roast has the highest caffeine content. Yum!