Already.......

The SMC Firmware Update adjusts fan behavior in the Mac Pro.

Now on Windows, too

• iPhoneApps Widget 1.0
• Counting Sheep 1.1
• MLB Schedule 1.12
• ML Baseball Widget 1.2
• Amnesty Generator 1.3
• Amnesty Hypercube 0.1a Moves Google Gadgets and Other Web Widgets to Desktop
• gMap 0.7 Google Maps Widget
• DEPOTset 1.12
• miniStat2 1.90 System Monitoring Widget
• PNGpong 1.0 PNG Color Corrector
• Moon Exploration Widget 1.0
• The PlasmaTube Widget 0.1
• Go Widget 1.0

An ultra slick remake of the classic Magic 8Ball game

• Currency Converter 0.6.5
• Phonetic Alphabet 1.0
• Hardware Monitor Widget Edition 2.2
• Temperature Monitor Widget 2.2
• Traffic.com Hotspot Widget 1.0 - real-time traffic information for the 50 largest cities in the US
• London 2012 - 1.0 Countdown Widget For The London 2012 Olympics
• Mt. St. Helens VolcanoCam Widget - 2.2.4
• gMap 0.3 Google Maps Widget
• BBC Weather Widget For Mac OS X Dashboard 0.9.7
• Live GPS Tracking Widget 1.5
• MLB Schedule 1.10
• Fernsehen 1.8.6 German TV Widget
• Internet Bookshop Italia widget 1.0.2

R-U-ON has launched an iPhone optimized web widget that let's its users monitor their IT infrastructure from their iPhone

iPhone Application Widget displays the latest 3rd party applications from iPhoneApplicationList.com on your Dashboard

Information Appliance Associates (IAA) releases their free widget, PocketMac Gas Pump Genie?, allowing Mac users to discover the best gas prices in their neighborhood

Ambrosia Software, Inc. announced today the release of EasyEnvelopes 1.0.5. This update provides fixes and enhancements to the free (yes, free!), world-renowned envelope printing widget. EasyEnvelopes works with Mac OS X Tiger 10.4—and now, Leopard 10.5 WWDC Release—and can be downloaded from Ambrosia's website.

• Sleep Display Widget 1.0.1
• Amnesty Singles 1.2.1
• Amnesty Widget Browser 1.3.1
• Wikipedia Widget 0.9.2
• Midnight - 1.0.1 Widget To Help Your Mac Get A Good Night's Sleep
• Radio Eins Widget 3.3
• TrafficGauge Widget 1.2
• Pregnancy Calculator 1.5.4
• Live GPS Tracking Widget 1.0
• Widget CineTV 4.2.9

• BBC ListenAgain Widget v2.0
• ML Baseball Widget 1.3
• MLB Standings - 1.5 Displays Current Baseball Standings Widget
• Adobe Creative Studio Help 1.0
• Image Upload 1.0
• Oxford English - 1.0 Spelling, Pronunciation & More Widget Dictionary
• Pregnancy Calculator 1.5.3
• BART Widget 1.0.1