Stumbled across these guys while net-surfing, so I'll post the link here to make sure I don't lose it.
http://www.cthulhulives.org/store/store.lasso?1=product&2=8 The "Call of Cthulhu" silent movie.
I'm a proponent of the "period movies seem more authentic when produced using period technologies" school of movie watching.
Rock music in pseudo-medieval fantasy movies (I'm looking at you, "Ladyhawke")? No frikkin' way.