Didier Stevens has released a new version of his OllyDbg plugin called OllyStepNSearch.

About OllyDbg:
OllyDbg is a 32-bit assembler level analysing debugger for Microsoft® Windows®. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable.

More information can be found here.

About OllyStepNSearch:
This plugin allows you to search for a given text when automatically
stepping through the debugged program.

When the plugin is enabled, it will step automatically through the debugged
program once a step command (like Step Into) is issued.

More information can be found here.

Here is a movie of this example on YouTube, a High Res (XviD) version can be found here.