Hmmm, this could be interesting to fill in some of the pre-Cataclysm wait time.  Anyone else have any thoughts or desire to try this?

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Champions Online
Over the past year, we’ve been working very hard to continually improve Champions Online, and we want to show the world what we’ve been up to. From September 1 through September 7, new and returning players can come and enjoy all of Champions Online for free. There will be no retail key or subscription required for this free trial. Players just need to sign up for a free Cryptic account and play! It’s also a largely unrestricted trial, so newcomers can experience the entire game and play with friends (not just the limited Demo tutorial).
To sign up, just visit our Anniversary Event signup pagestarting August 27. Play begins on September 1, but we wanted to make sure you could preload the client.
We’re putting on a huge show in Millennium City: The Millennium City Anniversary Celebration! During the Anniversary Celebration (August 27 to September 7), Renaissance Center will have a number of party-going contacts located around a giant cake. They will offer heroes a gift once a day for the duration of the event. Using the gift will reward the player a random party favor. In addition, the enemies in all major Zones (Millennium City, Canadian Wilderness, Southwestern Desert, Monster Island and Vibora Bay) will have a chance to drop the anniversary gifts upon defeat.
When the time comes, just head over to Renaissance Center in-game for the party.
What’s more, for the entire first week of September, we’re offering a 20% discount on nearly everything in the C-Store! From September 1 at 10:00 a.m. Pacific until 10:00 a.m. Pacific on September 7, enjoy a 20% discount on everything except the new tights set! Visit the C-Store to see what’s available.
Thank you for your continued support of Champions Online. We can’t wait to see you during our Anniversary celebration!