If your like me and do a bit of electrial work from time to time, or if you do it full time then from what i have seen the new Fluke 1652/PKIT Electricians Kit  is a must have item in your toolbox.

For more information on this kit take a look at the following site :-
http://www.18th-edition-wiring-regulations.co.uk/reviews/fluke_1652_electricians_kit.htm