If you want to get good ideas about building a Web site, visit companies that rely on their Web site for business. PR, Marketing and Advertising firms fit this bill. Of course companies that build sites do as well.
Here is a link to one of the coolest sites I've seen: Strategic Name Development Be sure to check out their blog too. The site design is clean and simplistic.
Folks at SND have their ear on the tracks too. For instance, how many sites have you visited that have the Socialize This link at the bottom of their posts?
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