So I'm on the second half of my OSR retrclone appendix X resource list and going down the list of OSR material as I get my Warlords Of The Outer Worlds campaign written up and assembled piece by bleeding pulpy piece. I'm going over my notes and getting the adventure ready as well. There are a few more races,items, and fiddly bits to deal with.
Since LuLu had a lovely little sale in April I took full advantage of those codes and got my arsenal fully loaded up with OSR goodness. More as it becomes available over the next day or so.
My choice for this upcoming campaign setting and series is going to be the Fantastic Heroes and Witchery retroclone system. And because of its kitchen sink approach to the OSR material this one is something I've been looking forward to for a while.