True, IBM and Fujitsu/Sun are still competitive in some niches, but not on power efficiency and not for general purpose application. Last time I looked IBM was

True, IBM and Fujitsu/Sun are still competitive in some niches, but not on power efficiency and not for general purpose application. Last time I looked IBM was 3-5 times worse perf/Watt in SAP benchmarks. Of course IBM is still an option in these specialized applications if you just need that raw power, but no one's going to run a data centre on that silicon.