Visual Design Inspiration from Agency Websites–And Other Tangential Observations | Jim Nielsen’s Weblog
Granted, agencies are usually the ones pushing the boundaries. “Pop” and “pizazz” are what sell for many of them (i.e. “look what we can do!”) Many of these sites pushed the boundaries of what you can do in the browser, and that’s cool. I like seeing that kind of stuff.
But if you asked me what agency websites inspired both parts me, I’d point to something like Clearleft or Paravel. To me, they strike a great balance of visual design with the craft of building for an accessible, universal web.