I have looked into Swift a little + did follow a developer forum for and while. IMHO, it promises to be easier to learn and more systematic, but it also has its pitfalls. So it solves some problems of Objective-C but creates problems an experienced Obj-C developer does not face.
Yes, that would be interesting to learn how the architecture is intended to look like. If it is a pre-compiler (using some other for real binary code generation) or it it is intended to generate bytecode or whatever.