I've tackled this by telling everyone that from 9am to 11am I'll be working offline with no IM or e-mail access. Even if the rest of my day is filled with meeti

I've tackled this by telling everyone that from 9am to 11am I'll be working offline with no IM or e-mail access. Even if the rest of my day is filled with meetings I don't feel too anxious because at least I've least accomplished something in the morning.