Here are details on the launch. Macworld has a great breakdown about the Adobe Creative Cloud/CS6 and a “what-you-need-to-know.”

Adobe’s press release:

SAN JOSE, Calif. —April 23, 2012 — Adobe Systems Incorporated (Nasdaq:ADBE) today announced Adobe® Creative Cloud™, a radical new way of providing tools and services* that will change the game for creatives worldwide.  A subscription-based offering, Adobe Creative Cloud is a hub for making, sharing and delivering creative work and it is centered around a powerful release of Adobe Creative Suite® 6 software (see separate release), packed with innovation across its industry-defining design, Web, video and digital imaging tools.

And:

SAN JOSE, Calif. — April 23, 2012 — Adobe Systems Incorporated (Nasdaq:ADBE) today announced the ultimate toolkit for design, Web and video professionals with the unveiling of the Adobe® Creative Suite® 6 product line and Adobe Creative Cloud™ (see separate release). Powerful new releases of 14 CS6 applications and four Creative Suites – Adobe Creative Suite 6 Design & Web Premium, Adobe Creative Suite 6 Design Standard, Adobe Creative Suite 6 Production Premium, and Adobe Creative Suite 6 Master Collection – drive home Adobe’s continued innovation across creative markets. A new subscription-based offering, Adobe Creative Cloud, will provide users with the ability to download and install every Adobe CS6 application* announced today.  Creative Cloud also integrates Adobe Touch Apps† into everyday work, introduces cloud-based sync and store capabilities, and powers the publishing of apps and high-impact Web experiences.

More on Adobe Creative Cloud.