Caroline Greer has announced that 650 .mobi city names will be made available towards the end of August.
The full list may be seen here (PDF) and includes dublin.mobi
Local authorities will be able to make use of the domains, unlike what happened with so many city / place names in the .eu namespace:
These names have been held back from general registration until now to ensure that it is the cities themselves that have the opportunity to develop mobile sites that best address the needs of their visitors and residents.