AMD Istanbuls crank through the transactions Sun Microsystems is the quietest server maker in the world these days, but its PR machine - which just pumps out the occasional press release like clues for those trying to figure out its plans since the Oracle gag went on in April - said today that Sun's recent top-end x64 server has smoked the competition in a popular commercial transaction processing test and another number-crunching test.… Case Study: WhatsUp keeps Legoland turnstyles ringing