AnandTech published an article on AMD's Barcelona and other products at Computex 2007:
When we headed out to Taiwan, a country of leaked processors and benchmarking opportunities, for Computex we surely expected to return with some Barcelona performance figures. We were hoping we'd come back with the very data that AMD hadn't allowed us to get ourselves when we visited the company over a month ago. And while there were some performance results reported from Taiwan, there was an eerie silence about AMD's updated micro-architecture.
We were determined not to leave the island without running at least one test on Barcelona. We worked long and hard, and we were finally able to spend some time alone with Barcelona in Taiwan. But the story doesn't end there; it's unfortunately not that simple..