<p>Anyone using WPF for real LOB applications?</p>

<p>We have all seen the clever demos of WPF showing videos mapped onto 3D elements. These look great but what about the real world of line-of-business applications that make up the majority of developers efforts. Is WPF just for nice eye candy?</p>

I feel the eye candy demos are targeted mostly towards designers. Having said that, there is a huge potential in improving usability of LOB apps using WPF.
Check this article about the potential of Silverlight
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Line-of-business applications have a notorious reputation for being all business and no pleasure. The fact is that "user experience" has never really been a top concern when developing line-of-business (LOB) applications. While many LOB-style applications are putting an increasing emphasis on usability, they often fall short on appeal. User experience is actually a combination of both usability and appeal.