"What's New in this Version
This update includes general fixes, compatibility updates, and security improvements for the AirPort Extreme Base Station with 802.11n.

This update requires AirPort Utility 5.1. If you have AirPort Utility 5.0 installed, you can update to AirPort Utility 5.1 by installing AirPort Base Station Update 2007-001:
AirPort Base Station Update 2007-001 for Mac
AirPort Base Station Update 2007-001 for Windows

For detailed information on the security content of this update, please visit this website:
http://docs.info.apple.com/article.html?artnum=61798"

That doc is the Apple Security updates page, which links to the actual doc with info on the security content of the 7.1 firmware update ( http://docs.info.apple.com/article.html?artnum=305366) that has notes on addressing issues like allowing incoming IPv6 connections and "Filenames on a password-protected AirPort Disk may be viewable to users on the local network".
Update: I've created a separate page of Feedback/Tips on Airport Extreme 802.11n Firmware 7.1. (Includes notes/tips on the Double-NAT error, notes from a users of MiniStack (and similar) drives with builtin USB hubs (for printer sharing) and more.

"I haven't been able to find this anywhere using google, so I took apart my iMac G5 (17-inch rev A) power supply and made a pin-out diagram.
-Chris N."

" This guide tells you how to install OSX 10.4.9 on your Intel or AMD Windows machine, dual booting with Vista. This guide is for information purposes only. "

• Apple OEM G4/533 (at 600MHz) in (Gigabit Ethernet) G4/AGP tower (rated 10)
  (Module was from a Digital Audio G4/466MHz but CPU chip was 533MHz rated/marked. mods to resistors/bus multiplier done before swap)
• Newer Tech G4 Dual 1.7GHz (7448) in (Quicksilver 733) G4/AGP tower
  (Positive report but didn't include an overall 1-10 rating)
  
  (Full reviews of G4 and G3 upgrades compared to stock CPUs, including real world apps/game tests, install info, etc. are linked at the G4 upgrade reviews and G3 upgrade reviews pages. OC/CPU module articles are on the Systems page.)

You can find the full reports by searching the database selecting the indicated Mac model and upgrade card brand/type. If you've upgraded the CPU on your Mac, send a review with your experience (performance/stability/installation, etc.), Mac Model/Upgrade brand info and overall rating (1= worst to 10=best). Search the database for entries from most every upgradable Mac model *before* you buy. (Searchable by mac model/upgrade brand).

• Intel Delivers Its Fastest Enthusiast Quad-Core Processor
• About the security content of Firmware Update 7.1 for AirPort Extreme Base Station with 802.11N (Apple)
• iDVD 6: Setting Encoding preferences (Apple)
• Mac OS X 10.4: Reading .plist preference files (Apple)
• AirPort Extreme 802.11n Enabler requires AirPort Extreme Update (Apple)
• Apple: 100 Million iPods Sold
• Ed sent a note there's a Turbotax 2006 Mac update available via the app update check (said he hadn't checked in awhile, but just a FYI to anyone else using it.)
• New Intel Quad-Core CPU Favors Gamers
• Sparring Begins Over High-Def Movie Hacks
• Shops Drop 20GB PlayStation 3
• Microsoft Unites Xbox, PC Instant Messaging
• Some Blu-Ray, HD DVD Discs Sell Only 200 Copies
• NEC has developed a corn-based bioplastic that conducts heat faster than stainless steel
• Smart Phone Shootout: Which is the most usable?
• Vendor aims to 'cloak' WEP (New software from AirDefense designed to protect a widely used but flawed encryption protocol)
• Photos: NY auto show's fast and funky
• Wave of 3-D films promises big thrills
• Retailers explore movie download options
• John Romero Says Consoles Need 'Massive Rethink'