Provider to link to Oracle server

I have a question relating to compatability, and the Microsoft documentation seems unclear. Here are the system specs:

Windows Server 2008 R2 (64 bit) Standard

SQL Server 2008 R2 (64 bit) Standard

The desire is to link to an Oracle server. It appears I can possibly use:

Oracle Provider for OLE DB: http://technet.microsoft.com/en-us/library/ms190618(v=sql.105).aspx

or

Microsoft OLE DB Provider for Oracle: http://msdn.microsoft.com/en-us/library/windows/desktop/ms675851(v=vs.85).aspx

We've had issues trying the first one. When I looked closer (and found above link) its suggested that the Oracle provider is not compatable with our system? 32 bit Oracle driver does not work with 64 bit SQL server:http://support.microsoft.com/kb/2555855/en-us and it appears 64 bit driver is simply "None" for support.

Can anyone confirm Which driver(s) I can use given my setup? It looks like the Microsoft driver may be the only compatible driver for our setup. The message regarding it being a discontinued feature concerns me.