As Jolla team announced in the their New Year greeings, there will not be enough tablets for all the backer of the project:
The bad news here is that we are not able to complete the production to fulfill all contributions. In other words, all of our backers will not get a Jolla Tablet.
As industry we are still looking for ways to fund reasonably large projects with significant research component. And crowdfunding isn't a way to go.