The new SpecFlow release will come with a few nice improvements for Visual Studio 2010 integration. I have made a few screenshots to show the most interesting ones.

 
Intellisense for keywords

Improved intellisense for steps, including binding information and examples from the feature files in the project (you can also see if the step was used in a scenario outline)

Go to binding – We have been waiting for this for a long time…

Re-generating code-behind after changing the configuration

Re-generating code-behind after upgrading the project