Due to community request, Maxcoin is halving their rewards in a few days:
http://pastebin.com/tKMFUtC4The developers decided to take this action nearly 11 months early in order to keep up community support.
If a coin that had planned to release a total of 250 million coins can permanently reduce that number to 106 million to keep their community strong, I do not see any reason a coin with over 10 billion would not do the same thing to keep our coin viable.