Pictures
From Nxt Wiki
There is several pictures describing Nxt and related issues:
Contents
Nxt location on Coinmap
Nxt vs Bitcoin: The Evolution of Math Based Currencies
Nxt vs Litecoin
Nxt vs Quark
Nxt vs Peercoin
NXT Distribution

Salsacz. (January 30, 2014). NXT Distribution [ infographic ]. Retrieved from http://i.imgur.com/../lHhDQ4k.png
How a NXT Transaction Works

Salsacz. (January 31, 2014). How a NXT Transaction Works [ infographic ]. Retrieved from http://i.imgur.com/../pMkJqMt.jpg