Offline Report Generation

Hi,

I have a requirement of generating very long reports (1-2hrs approx). Obviously the user would not like to wait for the report to come up to view.

Can I generate reports offline using SSRS 2005? If yes, then how can i submit the report for generation and re-direct the user to any other page, where he/she can see the status of the report (or continue to work on other pages).
If yes, then can I run an exe in the background to check the status of the report at regular intervals and notify the user once the report is completed? I checked the status of the report in the ExecutionLog table should be 'rsSuccessful', indicating the successful generation of the report.

If yes, then where (path) the reports generated offline are stored?

Thanks in advance.One option would be to schedule the reports and then deliver them to an email address or fileshare.
Another option would be to use the snapshot feature.
From BOL:

Report history is a collection of report snapshots. You can maintain report history by adding and deleting snapshots, or by modifying properties that affect report history storage. You can create report history manually or on a schedule.

To create report history, your role assignment must include the "Manage report history" task. To view report history, your role assignment must include the "View reports" task. Report history is available to all users who have access to the report. You cannot selectively enable or disable report history for a subset of users.

Snapshots in report history are identified by the date and time they were created. The date and time is based on when the query executed.