You’re a day-zero Swift expert, and if you’re not, you could be a year-zero Swift expert even if you wait for iOS 8 to ship. The niches are all still open. Read everything. Write something. Get involved. Try out new patterns, see if they work. Tell people what you discover.
This is a nice read about what it’s like for a long-time Objective-C developer (I guess for any developer) when a new language comes around. Last week, Manton Reece and Daniel Jalkut talked about that topic, too. Check the latest episode of their podcast Core Intuition.