Research In Motion has officially added the ability to register for their BlackBerry 10 Jam World Tour stops in North America & Europe. The European leg of the tour starts in less than a week, so you'll want to register ASAP. A limited number of BlackBerry® 10 Dev Alpha devices will be available to qualified developers at each city in the World Tour.

North America
June 5 – Austin, TX, USA
June 7 – Santa Clara, CA, USA
June 19 – New York, NY, USA
June 21 – Toronto, ON, Canada

Europe
May 29 – Milan, Italy
May 31 – Barcelona, Spain
June 12 – Paris, France
June 14 – London, UK
June 26 – Moscow, Russia
June 28 – Berlin, Germany
July 3 – Warsaw, Poland