As the guys have stated above they all have good points and no group will give you the same answer. Do your research but PLEASE avoid asking for personal opinions on a public forum about what "kit is best". Its starts a %*it fight that most, if not all are totally over.
See attached
2015 List of Cobra/GT40/Daytona Manufacturers in OZ - Please add
Enjoy your research and keep us posted on your decision. We enjoy BUILD THREADS!