The Best Samurai Vampire story of the Year!

I made a remark about writing a Samurai Vampire story when I was listing my advice to new writers. Here is the link:

http://arhyalon.livejournal.com/72302.html

Once reader comments about the story title Lightning Swords of the Nosferatu of Kyoto:

"Vampires AND Japanese sword fighting in one story? That simply CANNOT FAIL." Is it true that it cannot fail? How can we mere mortals tell which stories use their mighty powers for good or for awesome?

Fortunately, we have a sure-fire method of detecting