Very interesting.
3750
3.336
Microsoft SQL Server 2005 - 9.00.4028.00 (Intel X86)
Oct 20 2008 19:45:04
Copyright (c) 1988-2005 Microsoft Corporation
Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
Big load going on with my 2008 server, so results are probably whacky.
--GETDATE
700
15.6286
--SYSDATETIME
963
15625
Microsoft SQL Server 2008 (RTM) - 10.0.1763.0 (X64)
Sep 18 2008 20:59:12
Copyright (c) 1988-2008 Microsoft Corporation
Developer Edition (64-bit) on Windows NT 5.2 <X64> (Build 3790: Service Pack 2)