The PM Podcast This site has many podcasts on Project Management. Most episodes are entertaining, and some are very useful such as Monkey Management, Virtual Team Management, Authority and "Certification". The easiest way to listen to these is to subscribe with iTunes.
PM Lessons Learned Podcast is another podcast that is improving all of the time. Some useful calls are on Risk Language, Softskills, PM Jobs (which has some useful resume info). The easiest way to listen to these are to subscribe via the iTunes store.
Working Together When Apart an excellent article from the Wall Street Journal on working with remote teams.
Requirements Explained A humorous look at requirements.
Codematic speed analysis of C based XLLs vs VBA vs Late and Early bound calls
A Sourceforge project to make creating XLLs easier.
Microsoft asp.net team's BlogEngine.net which is a simple looking engine that looks worth investigating.