James Governor points out how IBM is actually more nimble than MS. How? They haven't gone down the "wire every blasted thing into a ball of mud" path like MS has:

This decomposition is a good thing because it allows IBM to add new functionality to Lotus tooling far more quickly than it could in the past. Which major vendor will be the first to embed blogging capabilities into its enterprise collaboration toolset, IBM or Microsoft? It seems the answer may well be Big Blue. This is decoupled innnovation; small things loosely joined, that's the "getting things done" kind of innovation.