There's no need to cross-post this in three forums, I've deleted the duplicate.
As for your topic, I believe the Sony-Ericsson HBH-660 does caller ID. For some reason, it's no longer in the ET store. Cardo's Scala 750 does as well. I can't speak for that particular headset, but I was very happy with my Scala 500.
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Jeff Velten
Sprint Treo 755P My apps: 4cast-Blue Nomad Security Suite-Datebk6-Diddlebug-Docs To Go-eReader-FieldPlus-FileZ-Google Maps-HandZipper-Hi-Launcher-KeyCaps 600-magicButton-mLights-MobileClock-mRing-Power Hero-PowerRun-pTunes-Quick News-Shortcut5-Snapper-SplashPhoto-TakePhone-TCPMP-TryDA-Unit2Unit |