Atomic Club threads are almost as a regular as YJ 
threads.  So rather than re-gurgitate everything, 
simply visit these old threads and you should be 
able to find out all you would wish to know.  
Good luck.

Look

here, 

here,

and

here

Hate to sound pessimistic or fed up with Atomic 
Club posts, but the bottom line is don't bother 
unless you're willing to fight long and hard (and 
chances are your wish cels were already sold when 
you saw them).