Honestly, it's a question if big, horrible monsters and high-level spells, both of which lay on massive amounts of damage.
If your playing style downplays or leaves out these elements, W/V (or a derivitive) is suitable. If, however, you have the "standard" amounts of such things, than there's only one way I know of that is quicker at killing your characters: Quit playing.
Jeph: I've not seen, but I picked up Way of the Samurai today just for the hell of it... Seems rather kewl, and while I don't know the Lot5R rules, the mechanics seem simple enough looking at them in this book.