Hot Hardware published a review on the Update: AMD Radeon Software Crimson Edition, First Benchmarks And Experience Testing A quote from the article:

We recently had the chance to take a beta build of the Radeon Software Crimson Update for a spin, and can confirm many of AMD's claims. The software installed without a hitch and the super-fast launch times are very real. We took a quick look at features and some benchmark results as well, of course...

 Update: AMD Radeon Software Crimson Edition, First Benchmarks And Experience Testing @ HotHardware