Wirelessly posted (BlackBerry9000/4.6.0.167 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102)
It comes on a dvd... They shouldn't be making us install it to the HD to begfin with. I see no reason why the maps shouldn't extract straight to the device.
I'm really liking the Garmin software for BlackBerry so far. Maps are OTA so you get updates for life.