Is TonidoPro Drive available to plug2 users or do we have to we have to sign up for Pro?
Bit confused here.

Yes, It is available for TonidoPlug users. See http://tonido.com/tonidopro.html

Thankyou Madhan, found it!
Right down at the bottom of the page.

Installed ok, but returns a date of 01/01/1601 in all instances.
Also it is quicker to use Filezilla at this stage to SFTP files across.
Also if a response has been installed in addition to password, the response is not optional, it is required. In order to assist log on, instead of failing, why not a request to supply the log on response?
Hope that this is not too obscure.

Good point, we will add support to handle password challenge. Since TonidoDrive's performance is directly related to the Windows file caching calls (and windows does opportunistic reads of files to increase access speed), for a pure download, filezilla will be faster. We will be optimizing TonidoDrive based on usage modes.