Apple advertised the new PowerMac range as built on Xserve architecture. If you refer back to xinet's benchmark test of the xserve you will see the old dp powermac model included in the benchmark adn how much of an improvement the xserve was even though they both had dual 1GHz cpu's http://www.xinet.com/benchmarks/benchmarks.2002/
This should give some indication that today's offering from apple is not just a speed bump, but a serious increase in speed and bandwidth. I for one am glad that apple is working on performance across the board.
For me, it's not enough to look at the figures in isolation. Look at the whole picture, compare benchmark tests, set up your own benchmark tests and try it in the shops. Personal experience is the best judge of speed. Get to know the tasks where you need better performance and try them out on as many machines as possible, including wintel machines. Don't just buy a machine on spec, buy it when you know how it will make your life better.
This should give some indication that today's offering from apple is not just a speed bump, but a serious increase in speed and bandwidth. I for one am glad that apple is working on performance across the board.
For me, it's not enough to look at the figures in isolation. Look at the whole picture, compare benchmark tests, set up your own benchmark tests and try it in the shops. Personal experience is the best judge of speed. Get to know the tasks where you need better performance and try them out on as many machines as possible, including wintel machines. Don't just buy a machine on spec, buy it when you know how it will make your life better.