Here are some threads for you to consider:
Strut brace...question
Strut brace or not?
Also, if you scroll down to the bottom of this page, there are links for similar threads. I suggest you have a look in the
GTT forum for their threads on various strut and chassis braces. I'm using all of GTT's brace products in a ONE and the handling is fantastic.
All the best,
Andrew.