Most of the major Windows sequencers now support dual processing, and if you want the ultimate performance, machines like Red Submarine's dual Xeon PC could be the way to go.
Echo's original Indigo was perfect for those who wanted to add a high-quality audio output to their laptop without taking up more space. The new IO version adds a stereo input and multi-client drivers, increasing its appeal even more.
Extra DSP assistance to help your PC's processor cope with effects treatments used to be the province of the pro. Now there's a wide range of DSP-equipped cards to fit all budgets — but many people don't realise the latency issues that might be involved in using some of them.
Although Centrino laptops have advantages in terms of weight and battery life, standard Pentium 4 CPUs still offer the ultimate in performance, and Nu Systems's desktop replacement machine is a processing heavyweight.
This month we not only compare the hard-drive speed performance of USB and Firewire, but also take a look at a MIDI latency-testing utility and see how a handful of MIDI interfaces measure up.