Hey Daniel - no, your thinking isn't right. Remember that DBCC CHECKDB isn't a checksum-checker, it happens to check checksums as part of what it does, but it goes a lot deeper and so will discover the corruption even if the checksum isn't incorrect (because of a timing issue). Thanks
Paul Randal
CEO, SQLskills.com: Check out SQLskills online training!
Blog:www.SQLskills.com/blogs/paul Twitter: @PaulRandal
SQL MVP, Microsoft RD, Contributing Editor of TechNet Magazine
Author of DBCC CHECKDB/repair (and other Storage Engine) code of SQL Server 2005