1) Preload was no the right word. When you click on Start bar, menu appears.
Point on the help files menu and you'll see that before displaying menu, Amistart have to load all help files when it's a directory.
Amistart is configued to load directory help from workbench before displaying, that means all help files. Iy tou delete unused files (others langages), you'll see that Amistart is faster (only to display help files menu, otherwise it's the same speed)
2) Great! If you delete, mods, demos and some other things. I'll try from my side a hardfile with full Amikit version (but I've to finish some translations before