According to this new post on the PHP Unconference Europe site, they've officially announced their next event happening in February 2011 (the 19th and 20th).

PHP Unconference has established itself as a forum for core developers, developers and users to discuss PHP and other related web technologies. The next PHP Unconference will take place on 19th & 20th February, 2011 in Manchester, UK. The organizers are expecting 180 participants from all over Europe. Learn more about PHP Unconference Europe. The tickets will go on sale shortly. We would be really happy for you to come to the event this year.

In addition this year The PHP.cc will be providing a two-day training course about developing and testing PHP applications. Buying a pass for this also includes a pass for the unconference sessions. Keep an eye on the PHP Unconference Europe website for more details and for when the tickets go on sale!