Here is the Best Practices Analyzer which may guide you as well.

http://www.microsoft.com/downloads/details.aspx?familyid=da0531e4-e94c-4991-82fa-f0e3fbd05e63&displaylang=en

Re-runnning setup should allow you to remove the install.

Is it possible some of your job steps had run as user: domain\sam instead of (self)?

Microsoft offers a migration tool also.

http://www.microsoft.com/sql/solutions/migration/oracle/default.mspx

I found the upgrade advisor useful. It let me know what syntax needed to be changed in order for our sprocs to work with 2005. 

Check the version of ReportingServicesService.exe. It is located: Program Files\Microsoft SQL Server\MSSQL\Reporting Services\ReportServer\bin

SP1 - 9.0.2153

SP2 - 9.0.3042

RTM - 9.0.1399

Stop SQL Server Agent as it may be using the connection.

A fill factor of 0 is the default which will fill the pages 100% This is great for static tables as it conserves disk space and reduces I/O. However, on...

To change default db and log file locations:

In Enterprise MGR right click the server, select properties, click database settings, at the bottom you can change your default locations.

Then...

The reason for the DST change is the Energy Policy act of 2005.

http://en.wikipedia.org/wiki/Energy_Policy_Act_of_2005#Change_to_daylight_saving_time

I have seen queries time out because the log file could not grow fast enough.

In general, you should allow your log file to grow to accommodate the busiest day...

For your second question, you can use DBCC SHRINKFILE with EMPTYFILE to combine the tran logs into one and ALTER DATABASE to reomve the empty transaction log. See BOL for...

You can use performance monitor to find I/O stats.

Thanks Scott. I didn't think there was an easy way to find this.

You can have an alert trigger a job by right clicking on the alert, going to properties, click the response tab, check the execute job box, select the job, and then...