Workflow design | Displaying a message to the user

System

I am currently designing a workflow model, that will be created/developed using workflow modeler 7.3.2.

- user makes a selection of the files in the workarea and kicks off a workflow
- at the job instantiation form, user gets to choose one target environment (DEV, QA, STAGE, PROD) for the deployment.
- workflow would submit the files STAGING area.
- workflow would deploy files (static files using open deploy) to a specified target environment.
- workflow would come back and notify user that deployment is succesfull/failure.

Hard requirements is that, user (job owner) wants to see the status of the deployment after submitting the job instantiation form. Note - user does not want to check for an email notification, nor does she want to do anything else on Teamsite to check the status.

One option that I could think of is to create one CGI task (immediate task after the job instantiation), that does it all (submit and deploy), and displays a status message right at the screen.
If there is any programming, preference is to do it in JAVA.

Questions -

- Are there any other options, apart from CGI task?

- Can we use out of the box tasks (submit task, deploy task) and still be able to notify user after the job instantiation?