yes rainbows and browns(they do get sea run browns in the south island) and i would image NZ's most famous (if you can call it that) would be http://www.steinlager.com/Splash
Not my fav, but certainly is drank by many a kiwi!. I remember coming across a great beer down Rochester - i think it had "adams' in the name, reddish tinge to it- loved it, but i can say that about most beer