Owners of IntelMacs running OS X will definitely want to download version 5.1.4 of Native Instruments’ Reaktor sound design studio. This new version offers support for Mac OS X “Leopard” and improves the performance of Reaktor on Universal Binary Macs. It also delivers improved integration with NI’s Kore 2 system. There have also been several bug fixes, including a MIDI clock host sync issue and the stability issue related to event transmission.