Topic: Three supplements for the price of two!
After a few months, here's the result of that labour. One is a semi-spiritual successor to Gift of the Custodians (and was the longest to create, mainly because of the maps I'd created which, unfortunately, are too big to post up), one is a fairly standard setting, and one is a bit experimental and owes its existence to a train of thought whose far-distant start-point was musing on how to convert Hard Vacuum to SAE.
Edit: no idea what the other two were, but here's Playground of the Precursors