It looks like Stretch Goal #6, the Referee Repository of ready references tables for the harried referee, might be achieved at some point. I don’t want to get ambitious, but just in case we break through, I am laying the groundwork for Stretch Goal #7: Explorer Encounters! This 12-page, illustrated PDF features a collection of tricks, traps, travellers, and treasure waiting for the intrepid adventurer to stumble across. Encounters cover the Realm, Underworld, and the Wilderness.
So, if you want more useful stuff added to your pledge for free, go forth and encourage more people to back! There are a number of threads online where you could boost the signal: