Re: Scratching my head why results are different between machines.

Argh - a follow-up re ODBC 32 and 64 bit-ness:

http://blog.danovich.com.au/2010/02/02/odbc-settings-on-64-bit-servers/

It's way crazier than you'd ever expect. Both the 32-bit and 64-bit
versions are called "odbcad32.exe" but are in different (but not
distinctively named) locations.

http://support.microsoft.com/kb/942976/en-us

*bangs head against desk*

--
Craig Ringer