Don't just say it doesn't work but describe in detail what is happening and add the following information:
* VirtueMart version
* CSVI version (Latest is not a version number)
* Sample of the file being imported
* Collected debug information
Without this information you won't get a useful answer. If no debug log is attached, you will get a request to post it.
This does exactly what is needed by my client, and was well worth the cost. Roland is incredibly responsive to forum questions, and if there is something that needs to be dealt with person to person, he is prompt with email responses.