Yes, you've probably guessed by now that I'm a tackle tart, here's another website if you are interested in the real breaking strains and thicknesses of braid. They've tested most of the braids on sale in the UK and elsewhere
http://www.paulusjustfishing.com/4Tasline.htm
I can vouch for their own braid Tasline, which is super thin and supple, not to everyone's taste I'm sure but I now use it exclusively in 12 and 20lb strain for black bream and bass respectively.