Any guidance for MSc dissertation would be appreciated.
I have finished my taught component of my MSc and am now preparing to start my dissertation. I have yet to find a supervisor. ( I understand the right supervisor is very important). I am seeking advice as to what resources or websites may provide useful guidance to writing an effective dissertation. Also are there any websites that provide sample dissertations, so I can understand the standard of writing expected. Any advice would be greatly appreciated.

You should be able to get copies of theses from your library, or check out http://ethos.bl.uk/.

You should also be able to find out formatting standards and layouts from your university department.