This is a repeated post which was asked in here: http://www.sqlservercentral.com/Forums/Topic1555882-391-1.aspx
I would use the date math as Sean suggested to get
DATEADD(dd, DATEDIFF(dd, 0, GETDATE()), 0)
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2