I think that it's likely we'll see some more of a drop, but it could likely come back up in time - what it's going to take is a better economy outside of simply trading bitcoins for money.  If/when we see more sites taking them for more 'normal' purposes, there will be more of an incentive to spend them.   What's the final value going to be - don't know.  But that's not something that we'll know for a long time - even if it goes through a long down period.