Mobile working Toolkit 
Story: A guide to handheld operating systems
Symbian sure got the short end of your writing-stick
Perhaps the devices you've had your hands on were not the best options available, or perhaps you just lost interrest after having rebooted your windows mobile 12 times a day and wheeled your thumb to oblivion on your BlackBerry.
There's plenty of interresting features you've neglected to mention on the Symbian device while you were flaunting them on the Palm and Windows Mobile.
For instance, the Symbian device has all the contact features that you've mentioned on the other devices, this includes, custom pictures, custom ringtones and tight integration with it's messaging features.
On more media-capable devices the Symbian OS is capable of recording .mp4 movies, sound and video up to one hour. Nice format for macintosh users who can imediately integrate these movies in their iLife packages.
Did I mention synching yet? No need for a third party app on OSX, just like Palm it synchs happily with OSX just as it does with Windows.
These were only the features that you mentioned on other devices and forgot to mention on Symbian, makes you wonder what else you missed.
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