Just in case anyone else is wondering how to play with first bits of IronRuby and DLR, here's from John Lam himself:

Q: I am wondering if at all, i can see few working examples just like IronPython in asp.net futures section.
A: We're still quite a ways from ASP.NET. There are a lot of implementation details to sort out, particularly around how we deal with isolating concurrently executing pages from each other.