My ongoing research has taken me squarely into Lean. Have gone through The Machine that Changed the World and Lean Thinking (Womack/Jones)
As with ERP for IT, I am by no means the first to entertain this topic. There's a Wikipedia article that, while very well written, seems a little premature and bordering on original research (no books have been written on Lean IT to my knowledge). CA and Fujitsu have some material as well. All those are fairly recent.
Other material pops up on various Google searches, and since you all can do that I'm not going to devote a lot of time to random linking. Also avoiding commentary on other Lean IT commentary for now.
Instead I'm going to spend a few posts on Lean source material and my own exegetic interpretations of how it might apply across the IT supply chain.
Starting off with a few random/high level observations: