-- : Available soon, these new computer headsets focus on microphone quality for podcasting, chat, and gaming. The DT-790 uses a dynamic mic, while the DT-797 uses a condenser version.

-- : Beyerdynamic also announced the U.S. debut of a service that lets you create personalized versions of the company's acclaimed DT 990, DT 880, or DT 770 full-size headphones. On the technical side, you can choose the impedance of the headphones as well as the type of cable--straight or coiled. On the aesthetic front, you can choose the type of ear pads (velour, leather, or "leatherette") and the color and finish of various hardware pieces. You can also personalize the headphones with up to two lines of text.

iDrum Hip-Hop Edition for iPhone

-- and : These clever apps are iPhone versions of iZotope's virtual drum machine for Mac and Windows. You can use each app's own drum kits and patterns to create beats and rhythms, or you can customize the built-in sounds to generate your own versions. The company has made good use of the iPhone's MultiTouch display, and a desktop companion program lets you transfer your beats to your computer, where you can work with them in the desktop version of iDrum or convert them into iPhone ringtones. (iDrum Hip-Hop and iDrum Club each provides a different set of sounds.)