"Il Est Bel et Bon", sung by my a capella group Cantatrix

Smithson, my favorite web-comic of the moment

Emporis, an architectural database of extreme usefulness

BLDG BLOG, with wonderful bits on urban architecture and other things

To be honest, get it on iTunes, which is my preferred method lately. Or download it, because you were gonna anyway, but don't tell them I told you.