Ildasm.exe can be a useful tool to review your assembly. It is located in the \Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\bin folder. Here are a couple of things you can do with it.
1) Search for hard-coded strings in your code:
Ildasm.exe yourcomponent.dll /text findstr ldstr2) Identify locations that might have boxing
overhead:
Ildasm.exe yourcomponent.dll /text findstr box
Ildasm.exe yourcomponent.dll /text findstr unbox