Office Live Workspaces beta – Almost a Google Docs competitor but still appears you need to have word/excel/ppt locally and this saves it up in the cloud. Does come with versioning and sharing. You can download a msi that puts a "Save to Cloud" right in Word/Excel/PPT which is much better then doing a file upload. I can see using this as a backup solution.
Six Month in the Inside – Am I evil yet? – A peek from Scott H about working at Microsoft.
Essential Software to Install on a new computer – From Roy O, a little dated but still relevant.
Links to Linq – This is a really nice list of everything LINQ