"At CeBit germany, Sapphire showed a NEW AMD 7950 Mac Edition card!
(More info and photos at this Google Translated page.)
-Andreas"

Thanks Andreas. (I can't reply back to him currently.)
I didn't see any info on the Mac card yet at Sapphire's site but here's a link to their (PC) Sapphire HD 7950 3GB card and AMD's reference Radeon HD 7950 Graphics card page.
Update: (Mar 19th) - Sapphire press release - Exclusive HD 7950 Mac Edition with AMD GCN architecture.

(April 4th) Sponsor OWC"s Sapphire HD 7950 Mac Edition (3GB GDDR5, PCIe 3.0) page shows in stock on 4/4/2013.  

"About Java for OS X 2013-002
Java for OS X 2013-002 delivers improved security, reliability, and compatibility by updating Java SE 6 to 1.6.0_43.

On systems that have not already installed Java for OS X 2012-006, this update disables the Java SE 6 applet plug-in. To use applets on a web page, click on the region labeled "Missing plug-in" to download the latest version of the Java applet plug-in from Oracle.

Please quit any web browsers and Java applications before installing this update.

See http://support.apple.com/kb/HT5675 for more details about this update.
See http://support.apple.com/kb/HT1222 for information about the security content of this update. (see apple doc listing below)

SHA1=145d74354241cf2f567d2768bbd0a7185e7d308a

System Requirements:
OS X Snow Leopard v10.6 or later (Incorrect. Finally removed March 12th)
OS X Lion v10.7 or later
OS X Mountain Lion v10.8 or later"

Today's Java updates are related to fixing Exploits in previous versions.
  

"About Java for Mac OS X 10.6 Update 14
Java for Mac OS X 10.6 Update 14 delivers improved security, reliability, and compatibility by updating Java SE 6 to 1.6.0_43.

On systems that have not already installed Java for Mac OS X 10.6 update 9 or later, this update will configure web browsers to not automatically run Java applets. Java applets may be re-enabled by clicking the region labeled "Inactive plug-in" on a web page. If no applets have been run for an extended period of time, the Java web plug-in will deactivate.

Please quit any web browsers and Java applications before installing this update.

See http://support.apple.com/kb/HT5676 for more details about this update.
See http://support.apple.com/kb/HT1222 for information about the security content of this update. (see apple doc listing below)

SHA1= 0f61f751f0a93a3a16824a826dc32bad5d9a981d

System Requirements: Mac OS X v10.6.8"

As with previous updates, I assume these include a check for existing Malware and will remove it if found.

I don't use Java but you can check Apple's OS X Forums for feedback from those that do.
  

Here's a repeat of Oracle's docs for Mac users:

• JRE 7 Installation for Mac OS X
• JDK 7 Installation for Mac OS X
• Mac OS X Platform Install FAQ

Here's Oracle's Security Alert blog post on this round of Java updates.
  

• GraphicConverter 8.5.3 (Build 1154)
• Tablet Wars: Microsoft Surface RT v. Apple iPad
• Apple Lightning digital AV adapter has its own ARM SoC
• Google adds sharing, history features to Chrome for iOS
• Best driving games for iPhone and Android
• Apple 'iWatch' Could Be More Profitable Than TV

• OS X: Java Web plug-in blocked
• About Java for OS X 2013-002
• About Java for Mac OS X v10.6 Update 14
• Java updates available for OS X on March 4, 2013 (see above)
• About the security content of Java for OS X 2013-002 & OS X 10.6 Update 14
• Java for OS X 2013-002: How to re-enable the Apple-provided Java SE 6 web applet plug-in and Web Start functionality
  
  
• Mac OS X versions (builds) for computers
• OS X Mountain Lion: "We could not complete your purchase. OS X Mountain Lion is not compatible with this computer" alert when installing
  
  
• AirPrint basics (w/list of compatible printers)
• iOS: Troubleshooting Wi-Fi networks and connections
  
  
• iTunes: Setting up Home Sharing on your computer
• iTunes: How to move your music to a new computer
• iTunes: How to open an alternate iTunes Library file or create a new one
• iTunes: Specific update-and-restore error messages and advanced troubleshooting
• iTunes for Mac won't open automatically when connecting device
• iTunes: How to install the latest version
• iTunes: Using Parental Controls
  
  
• Advanced iTunes Store troubleshooting
• iTunes Store: How to enable Automatic Downloads
• How to report an issue with your iTunes Store, App Store, Mac App Store, or iBookstore purchase
  
  
• iTunes for Windows: Device Sync Tests
• iTunes for Windows: Network Connectivity Tests
• iTunes for Windows: Gathering and using iTunes Diagnostics

• ioSafe N2: A Disaster-Resistant Synology DS213
• In-Depth Review: Sonus Playbar (the iPod of soundbars) (S&V)
• Seagate stopping production of 7,200rpm laptop drives at end of 2013
• Westmere-EP to Sandy Bridge-EP: The Scientist Potential Upgrade

Friday March 1st, 2013 News Archive
• New iMacs (base models) show shipping within 24 hours
• (Late 2012) iMac 27-inch (2012) Review
• Macs dig in as standard business PCs
• Collection of Steve Jobs Videos (youtube) (thanks Bill)
• Turn Your (jailbroken) iPhone Into an AirPlay Audio Receiver
• League of Legends Mac Open Beta is Here
• Updated Apple Support/How-To/Troubleshooting Articles:
  - About Apple video adapters and cables
  - Troubleshooting issues with video on internal or external displays
  - MacBook/Pro 13in: How to use the combination audio port for an audio input device
  - Apple Remote Desktop 3.3: Installing in OS X Lion or Mountain Lion
  - OS X Server: iCalendar Message-Based Interoperability Protocol support
  - iOS: Understanding cellular data networks
  - Using Keynote Remote
  
• How SSD power faults can scramble your data

For links to older news pages, see the Archives.