I'm in Halloween Heaven after seeing the monster site that Steven Finch linked to in the comments. Check it out, it's terrific:
The guy who put it up is Pierre Fournier, surely a contender for the position of this generation's Forest Ackerman. He has another interesting site all about Frankenstein:
And here's one by another worthy blogger, Karswell:
'Never saw this film (above), but the poster's great...generic, but great nevertheless!
Late 50s and early 60s were a great time for horror lettering. The styles manage to be modern and classically horrific at the same time.
Letters (above) leak their otherworldly plasma into the ether.
Doctor X (above) had some great moments, but it was uneven. They should have let the poster artists modify the script.