Two useful links on the process of editing. They have helped me to see editing as a series of different activities that can be focussed on independently, rather than just a big block of activity.
http://www.nswwc.org.au/support-for-writers/resource-sheets/drafting/
http://www.nswwc.org.au/support-for...g/deonie-fiford-on-polishing-your-manuscript/
http://www.nswwc.org.au/support-for-writers/resource-sheets/drafting/
http://www.nswwc.org.au/support-for...g/deonie-fiford-on-polishing-your-manuscript/