Zion Guitars (www.zionguitars.com) announced a collaborative effort with RMC Pickup Company (www.rmcpickup.com). Zion's Primera-series guitars will now be available with 13-pin jacks, providing access to MIDI guitar converters as well as Roland and Boss guitar processors…. Universal Audio (www.uaudio.com) has released a Macintosh version of its UAD-1 Powered Plug-Ins system (distributed by Mackie Designs). The Mac and PC versions are identical. The initial release supports the VST format; support for MOTU Audio System is expected later this year…. Joemeek (www.joemeek.com) now distributes Making Waves' line of digital audio sequencers for Windows…. Rocket Network (www.rocketnetwork.com) has partnered with Tascam (www.tascam.com). Users of Tascam's MX-2424 modular hard-disk recorder, the SX-1 digital audio workstation, and other Tascam products can now share audio files on the Web with users of RocketPower products from Emagic and SADiE…. Yamaha (www.yamaha.com) recently announced its new OPT plug-in format, which allows MIDI processing of external Yamaha hardware. For example, synthesizer editors appear as plug-ins in OPT-compatible sequencers…. Midiman (www.midiman.net) is now the distributor of AMG's REX and Refill libraries…. Mackie Designs (www.mackie.com) has entered a licensing agreement with Peak Audio (www.peakaudio.com) to incorporate the latter's CobraNet technology into current and future Mackie digital mixers and other products. Cobra Net offers transmission of audio and control data over 100 Mb Ethernet networks…. Waves (www.waves.com) has upgraded its line of TDM plug-ins to support Digidesign's new TDM 2.0 format, making the software compatible with Pro Tools|HD systems…. Aardvark (www.aardvark-pro.com) has released new Windows XP drivers for its Direct Pro series of digital-audio interfaces. The drivers are said to support low-latency performance with WDM, ASIO, and MME client software.