User blog comment:Chumblespuzz/Chumblespuzz's Tips and Tricks For Utter Noobs/@comment-5007614-20120614224312/@comment-4632427-20121019083457

This decision is a lot harder with the level 40 vaults around. 1000 extra storage for the same population... If you can stay sane managing population without the cheaper nanopod vaults for that long.