Strategies sighted web developers have come up with...

I'm curious about the range of strategies sighted web developers have come up with to verify that what they are creating actually works well with assistive technologies.  Developers would use these strategies before functional or user testing. 

Examples might include: a) learning to use a range of assistive technologies b) using specialized software or plugins to simulate the experience of the assitive technology in a visual format (eg. Claws or Fangs plugins for Firefox; browser plugins that highlight boundary of ARIA landmarks; accessibility tree visualizers, etc. or c) some other techniques