The new one Garmin iQue 3600. Working with the special edition Palm OS 5.2.1. Have a 32 Mb, SD card slot, microphone for recording. Unfortunately, they haven't BT or WiFi. I am
GARMIN IQUE 3600 (PSL020984) | eBay
Garmin iQUE 3600 Handheld GPS PDA (Refurbished) at TigerDirect.com
Garmin iQue 3600 PDA Bundle 11
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Amazon.com: Remanufactured Garmin iQue 3600 PDA/GPS de mano Sistema con Americas detallada Cartografía de la Calle : Electrónica
Garmin iQue 3600 Handheld PDA/GPS unit at Crutchfield
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Garmin iQue 3600 review
TRAMsoft - GARMIN iQue 3600 (english)
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Garmin iQue 3600 review: Garmin iQue 3600 - CNET
I think it is not so common: a Garmin iQue 3600 with build-in GPS and HighRes+ Display and Palm OS 5.2.1r6 : r/Palm
Original Equipment Manufacturer Garmin iQue 3600 integrado GPS portátiles, cargador, cables de montaje, | eBay
TRAMsoft - GARMIN iQue 3600 (english)
TRAMsoft - GARMIN iQue 3600 (english)
Antena GPS Garmin GA27C low profile de segunda mano por 10 EUR en Málaga en WALLAPOP
Garmin iQue 3600
Jot Down an Address In Garmin's iQue PDA And It Shows the Way - WSJ