Based on feedback from the group, I have gone ahead and implemented Log, Transaction and UnitOfWork support using pure Castle. I have pushed the source up to the GitHub repo at
http://github.com/codai/Sharp-Architecture-Contrib so those that are interested can get the source, compile it and give it a try. There are also downloads availble for the source and binaries. Until the next quarterly release of SharpArch is ready, you will also need to download the patched SharpArch binaries from the Contrib downloads page. See my blog post at
http://tomcabanski.spaces.live.com/blog/cns!E0D3617496209F45!220.entry for more information on the available functionality and how to use it.
This is very much a work in a process. I am very interested in feedback and suggestions for improving the implementation. Contributions would also be welcome.
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Tom Cabanski