Ankh-Morpork Guard
First Post
D6 for D&D with the d8 taking up a close second. Though in SWd20, get lots of d8 usage. 

Or just overly-eager on your part!Seeker95 said:I marked "other" because the "excluding d20" comment didn't make it to the front page of the News section where I first saw the post (and was prompted to vote).
Besides that, I would say the d10. I DM, so rolling percentiles for treasure generation, encounter generation, weather conditions, etc. is my most common use of the dice.