Phil Siegel needed a site up to basically give a YouTube video a home. He needed a solid site up fast. He needed to embed video and have a form where people could upload their link to their own YouTube video. Genesis + Gravity + Likoma.
Lone Mørch has launched a site for her new venture: Divinely Furious. She needed a site that could grow with her, grow beyond her (partners), grow farther than her writing (guest authors), provide workshops, video, audio, the works.
Dr. Sean Sullivan had a fine-looking site, but he couldn't update it. He also wanted a blog attached to the site, but a blog means updating. What to do, what to do? WordPress.
Brian Gardner over at (what's now called) StudioPress has a beautiful collection of professional WordPress themes for sale. He updates them regularly and has a broad collection with a variety of applications (real estate, photo galleries, etc.).