Here are another two interesting sites showing the effects, not as detailed as the one previously posted though.
http://www.fas.org/main/content.jsp?...&contentId=409
Fallout calculator, concerning the latest "bunker buster" type bombs.
The other
http://www.fas.org/main/content.jsp?...&contentId=367
Details outcome in selected US cities.
On another note, years ago, I read a book called Nuclear war:effects and outcomes (or something like that) it totally terrified me! Didn`t understand alot of the science, But i got the general impression of the effects.
It offered several scenarios of a "limited" strike in Europe and its effects.