Current traction and paying customers may not be enough to satisfy their growth/evolution goals. The cash could be used for a lot of thing. One guess is that they may be trying to ramp up the attack the enterprise storage/backup market and need a war chest to have any major impact.
Also, plenty of people who could really use a service like Dropbox have not heard of it. Even with their current product offerings, there is an ocean of customers who haven't been reached yet.
Also, plenty of people who could really use a service like Dropbox have not heard of it. Even with their current product offerings, there is an ocean of customers who haven't been reached yet.