Nope not yet.
The Hero widgets are tied heavily into the Rosie interface used in the Hero so wouldn't work on our Magics without Rosie.
Try searching through the market place, there is plenty of widgets available that are 'almost' the same as the ones in Hero.
I've found the clock/weather app
A twitter widget
An sms widget
You can even put all your web site bookmarks into a folder and place that on one of your home screens, then when you open it you get a scrollable list of all your bookmarks.
Current: SAMSUNG GALAXY S2
Recent: HTC LEGEND, HTC DESIRE HD, iPHONE 4. MOTO DROID, HTC ROSE, HTC Hero, HTC Magic - Cyanogen ROM 1.7 Base 22.214.171.124 Palm Pre Theme, HTC Touch Diamond - Swiftblade ROM, Touch Diamond 2, Samsung I8510, iPhone 3G - Jailbroken
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GRAPHIC DESIGN & PRINT @ MATESDESIGN.COM