IK Multimedia (www.ikmultimedia.com) is now offering its hot Amplitube plug-in for Audio-Units and VST in OS X. This brings the total number of platforms supported to 11 (HTDM, RTAS, VST, DXi and AU in Windows, Mac OS 9 and OS X). The price is $399; free and low-cost upgrades are available from the Website for existing owners…The Professional Audio Sourcebookfrom B&H is now available in Volume II. The 790-page compendium was designed to assist musicians, engineers and producers find the right equipment. For more info, visit www.bhphotovideo.com…Cycling '74 Pluggo 3.1, a new version of its native audio processing plug-in software, is now compatible with Mac OS X and adds AudioUnits to the list of supported plug-in formats. The introduction of AudioUnits to existing VST and RTAS support allows Pluggo to work with Emagic Logic Audio, MOTU DP4, and Apple Final Cut Pro and Soundtrack. Pluggo 3.1 is free to V. 3 users, $99 as an upgrade from V. 2 and $199 new…In an effort to be more focused on professional audio and video products, plus24 has announced that the production of most Music and More products has been discontinued. The existing stock of MAM products can be purchased direct from plus24 at a 50% discount. To order, call 800/330-7753 or visit www.plus24.net…Front End Audio (www.front endaudio.com) will distribute the Safe Sound Audio P1 audio processor in North America and Mexico. The P1 is a high-quality mic preamp/instrument DI/line-level expander/compressor/limiter/mixer/headphone amp in a half-rackspace…Native Instruments' Kompakt sampler now fully supports OS X, including AudioUnits, RTAS, VST and stand-alone operation with CoreMIDI and CoreAudio. Registered users can get a free update at www.ni-kompakt.com… For a limited time, TC Electronic is offering a special bundle that includes PowerCore PCI and the Sony Oxford Inflator plug-in for $1,495. The Sony Oxford Inflator — traditionally an optional plug-in for PowerCore — provides an increase in the apparent loudness of almost any audio material without obvious loss of quality or audible reduction of dynamic range. Visit www.tcelectronic.com…MOTU (www.motu.com) has ported MachFive for the Windows platform and is also offering Windows RTAS and Windows HTDM versions. This means that both Pro Tools LE and Pro Tools|HD users can fully incorporate MachFive into their PC-based Pro Tools systems. MOTU is also adding several new features to Digital Performer, including a consolidated Preferences window, enhanced MIDI arpeggiator and a Beat Detection Engine that examines the transients in a waveform and applies artificial intelligence to determine beat locations and the overall tempo…Tascam announces Mac OS X 10.3 Panther compatibility for all of its USB and FireWire computer recording products. For downloads and more info, visit www.tascam.com…Metric Halo has released OS X support for ChannelStrip TDM and RTAS. Registered users can upgrade by contacting Metric Halo or their local dealer. The price is $149 from www.mhlabs.com.