(a little annotated reading list)
Nothing new here.
(Although if you find this useful and I don’t know you, please do say Hi in the comments).
I plan to post an evaluation of the tablet-readiness of WordPress for content management (Update: posted May 28). I expect visitors to that post will already appreciate what content management is, the role of information architecture in content management and what information architects look for in content management software. (Because it seems unlikely they would find the post if they didn’t). It certainly would not be efficient for anyone were I to rehash what has already been so well written, and so readily available with Google.
Nevertheless, just-in-case, starter background reading for you: