I must say I'm probably quite biased regarding the numpad, because much of my programming is about experiments that give numeric results, which then have to be

I must say I'm probably quite biased regarding the numpad, because much of my programming is about experiments that give numeric results, which then have to be processed and/or reported... so typing lots of numbers always ends up being a part of the equation in my particular case, but not on the code itself. Numpads are nice for roguelikes as well :)