Following my dream the other night I set about trying to decide which I preferred: Kirk's double dropping hammerfist or the Vulcan nerve pinch.  I'll be honest, I was leaning towards the hammerfist because the nerve pinch is fictional.... Until I found this rather fabulous article.  What I really need is to test it on my unsuspecting fiancée a willing volunteer to find out if it's really viable.

In terms of viability testing I think this might be taking it a bit far though:

Seriously though, what I wouldn't give to be able to do this: