I've never tried HLJ before, but I hear they have a wait (do they?). I usually get mine at this local weekly Toy/Hobby show in my area (called Frank and sons).
As far as my other collections go, I'm mostly into Vintage 70s-80s Japanese robots (Godaikins, Shogun Warriors, Chogokins, etc), Newer & vintage Macross/Robotech toys/models, G1 Transformers, Marvel Legends, Gundam models/toys and, of course, Star Wars figures/vehicles.
-Joe