+ generic short top keyword + high affinity to "mobility" + e.g. airfrance already launched a mobi site: airfrance.mobi + few alternatives: + vols.fr is reserved by the French registry (AFNIC) - not available + vols.com is not for sale -> lifetime free email service + vol.mobi (singular) has got a reserve bid of 10.000 EUR at sedo + flights.mobi and flight.mobi are reserved premium domains (which can not be registered) + the final price includes 19% German VAT (if applicable)