None of them? I like 1 the best, but it still needs work. Try this for ideas: http://www.smashingmagazine.com/2011/09/01/elements-of-a-vir...
Also: http://www.quora.com/What-startup-homepages-are-most-simple-...
Also: http://www.quora.com/What-startup-homepages-are-most-simple-...