The SQLDMO Script below will list all of the SQL Server configuration options and their config_value and run_value just as per the sp_configure Stored Procedure:
It looks like that the April CTP of SQL Server 2005 is very close. According to Mark Bower, a Microsoft consultant in the UK Visual Studio Beta 2 and SQL Server 2005 April CTP are being prepped for download.
A commonly asked question is how to identify the SQL Server Service Pack that is installed. It is possible to identify what version is being run based on the build number returned from the @@VERSION