Pocket never really had great cels as far as I 
was concerned- they never carried any series I 
collect and of the series they did carry, they 
never seemed to have anything that 
extraordinary.  Basically I think most of their 
business comes from people feeling special 
because they have the url and other people 
don't.  A very nice person once gave me the 
address, but I never bought anything from pocket. 
They update only a few times a year, and  
purchasing from them was also a pain in the a$$ 
because you had to get an international money 
transfer, which ended up being a huge hassle and 
very expensive.  Honestly, I think you're better 
off dealing with the sites listed on keep track.  
The selection is better, they update more, and 
your transaction will be simpler.