Apps use external memory.
Mapping App that used external memory for map instead of OTA retrieval of maps. This would be part of OS and not an add on.
An App that would tell you if something was down; BIS, BES, phone connection etc. This could be used to backcharge the service provider when they start the $ /kb billing they are trying to push down on us.
Ability to remove or not accept Apps pushed down by provider. Right now City ID will not turn off even though I did not accept the monthly charge to use it. Bing is another example.
Continue to clean up the touch screen functions. The current version on my 9550 is not bad but still not quite the same as the iphone.
Allow more than 160 characters on SMS.
Finally, call it a DuckBerry.
We will spend our old age surrounded by idiots following government rules.