You can download this for free to your iPhone or iPod Touch and browse the Armory at any time.
http://kotaku.com/5315954/blizzard-rolls-out-wow-mobile-armory
UPDATE #1: WOW Head has posted a review with lots of screen shots.
http://www.wowhead.com/?blog=108632
UPDATE #2: A review by We Fly Spitfires.
http://blog.weflyspitfires.com/2009/07/20/wow-armory-iphone-app-review/
UPDATE #3: The mobile armory plans to add a guild chat feature according to this Sept. 2010 article.
http://wow.joystiq.com/2010/09/21/guild-chat-coming-to-the-mobile-armory-app/
*******************************************
Copyright Solo MMO Player at http://solommo.blogspot.com
The Solo MMO Player collects links to the most useful or interesting MMO websites, databases and blog entries I have found, with a bias toward topics of interest to the Solo Player. Use the search box in the upper left hand corner to find topics. Kelari NPC Warrior art courtesy of Game Fluid.