i had a try with the latest Jaunty alpha livecd with what seems like 
interesting results:
it seems like the device gets recognised as usb storage first,
only the usb storage scan takes a while and meanwhile the modem gets detected,
then the storage gets mounted and the modem seems not usable, or at least i 
cant find device nodes 
and network manager does not allow me to make a connection as it does in 8.10 
with the hso driver/userspace blob
a subsequent pull-out/stick-in of the stick seems to trigger only the storage 
driver

this is dmesg covering initial stick-in/pull-out/stick-in:
[  429.316100] usb 3-1: new full speed USB device using uhci_hcd and address 2
[  429.481624] usb 3-1: configuration #1 chosen from 1 choice
[  433.413371] Initializing USB Mass Storage driver...
[  433.416464] scsi2 : SCSI emulation for USB Mass Storage devices
[  433.416999] usbcore: registered new interface driver usb-storage
[  433.417007] USB Mass Storage support registered.
[  433.418311] usb-storage: device found at 2
[  433.418316] usb-storage: waiting for device to settle before scanning
[  433.542594] hso: /build/buildd/linux-2.6.28/drivers/net/usb/hso.c: 1.2 
Option Wireless
[  433.542653] usbcore: registered new interface driver hso
[  438.417519] usb-storage: device scan complete
[  438.420501] scsi 2:0:0:0: CD-ROM            ZCOPTION HSDPA Modem      3.00 
PQ: 0 ANSI: 2
[  438.459439] sr1: scsi-1 drive
[  438.459607] sr 2:0:0:0: Attached scsi CD-ROM sr1
[  438.459717] sr 2:0:0:0: Attached scsi generic sg2 type 5
[  441.694558] ISO 9660 Extensions: Microsoft Joliet Level 1
[  441.700592] ISOFS: changing to secondary root
[ 1178.416150] usb 3-1: USB disconnect, address 2
[ 1203.708066] usb 3-1: new full speed USB device using uhci_hcd and address 3
[ 1203.873607] usb 3-1: configuration #1 chosen from 1 choice
[ 1203.875440] scsi3 : SCSI emulation for USB Mass Storage devices
[ 1203.876914] usb-storage: device found at 3
[ 1203.876919] usb-storage: waiting for device to settle before scanning
[ 1208.877393] usb-storage: device scan complete
[ 1208.880509] scsi 3:0:0:0: CD-ROM            ZCOPTION HSDPA Modem      3.00 
PQ: 0 ANSI: 2
[ 1208.916297] sr1: scsi-1 drive
[ 1208.916468] sr 3:0:0:0: Attached scsi CD-ROM sr1
[ 1208.916582] sr 3:0:0:0: Attached scsi generic sg2 type 5
[ 1211.681415] ISO 9660 Extensions: Microsoft Joliet Level 1
[ 1211.690418] ISOFS: changing to secondary root

the device concerned has the following usbid:
Bus 003 Device 003: ID 0af0:6971 Option 

the hso driver remains loaded until stick is pulled
no device nodes to be found: no /dev/*hs* or /dev/*HS*

-- 
USB id 0af0:6911 should use hso and not 'option' driver
https://bugs.launchpad.net/bugs/256296
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