We need layers, if we want Bitcoin to have privacy, scale, and versatility. At L2L, we will not rest until every use-case is possible with Bitcoin - no user will be turned away...
Second, we plan to improve Bitcoin's UX. It must be easy to use Bitcoin the right way (with one's own node and keys). This will require a revolution in UX and Education -- a revolution we aim to bring about. Nodes will be easy to run, and do useful things that anyone can understand and appreciate...
Third, we are working on a few high-risk, high-reward problems. (These include prediction markets and a resurrected Namecoin.) These services will (if they are successful) revolutionize media/telecommunications... just as Bitcoin revolutionized Banking.