Too much of a good thing?

As I begin to move some of my seedlings into larger pots, I realize I have so far been more successful than I anticipated.  What I mean to say is that I have too many healthy seedlings and not enough pots.  So, I'm scrambling to find old pots, old yogurt containers and whatever else I can to allow these young plants to continue to grow bigger and stronger.  Also, because these plants are not mature enough to start hardening off outside, I'm also scrambling for more sunny window space.  Not that I'm complaining!  I couldn't be happier with how things are growing and I can only hope this continues into and through the summer.