Hey, perfect timing. Thanks for the update, Gulliver! I am just starting some fresh installations of Workbench 3.1 and was about to apply BetterWB to them, so a brand new version is great news.
It gives me an idea I've wanted to do for a while, to write an article that discusses and compares the different Workbench packs and boot disks like this, Amiga 911, Hombre, and any others I can find.