you bet.
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Default" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\ExtensionPack\4.0\MSBuild.ExtensionPack.tasks"/>
<ItemGroup>
<MSDevEnv Include="$(MSBuildProjectDirectory)\Framework_1.1.sln"></MSDevEnv>
</ItemGroup>
<Target Name="Default">
<MSBuild.ExtensionPack.VisualStudio.VSDevEnv FilePath="@(MSDevEnv)" Configuration="Debug|Any CPU" Rebuild="true" Version="7.0" >
<Output TaskParameter="ExitCode" PropertyName="Exit" />
</MSBuild.ExtensionPack.VisualStudio.VSDevEnv>
<Message Text="ExitCode: $(Exit)"/>
</Target>
</Project>
I am building on a x64 bit machine and have my build definition set to x86.