Which one is the best combat helmet?

[CosPetia]

Hi Guys,

I`m looking for your opinion, which one is the best combat helmet according to your observations or experience. I liked the Advanced Combat Helmet of Gentex http://www.gentexcorp.com/default.aspx?pageid=2692.

[MikeGER]

get this one  ;)

my dad survied the last 2 years of the war at the eastern front with this type, so it cant be to bad  O0