Bob Ward has posted a very thorough walk-through of the CU1 installation process.  He talks about some of the things they've improved with the setup of patches, and gives a bit of a teaser...

For those waiting for the first CU for SQL Server 2008, your wait is over.  You can get it in KB #956717.  The build # is 10.00.1763.00. As with SQL Server 2005, you can...

sysdepends, sp_depends, and sys.sql_dependencies Since my very first experience with SQL Server (version 6.5), I have used the system table sysdepends and the system stored procedure sp_depends to track dependency information in my databases....