I've found the answer to my mapping prayers!
Since using instances requires you to use the sdk_content folder locally stored and I have no SVN access, I have started to utilise a remote desktop app.
I can even map on my phone!
[Blocked Image: http://i.imgur.com/96GJ27Y.png]
Teamviewer personal licenses are free, and while full screen applications run black (might be due to free account) hammer is ok.
Apologies if some of you do this already, I thought this was worth a share as I've found it to be extremely useful.
Google remote desktop assistant and logmein are also available from what I know