Navteq still lists the 2006.2 version as the latest available on CD. My hunch is that they will release a 2007.2 version for CD shortly. Now is about the time of year that they seem to have hit in the past.

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SOLD
2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input