And running multiple SSL/https domains from a single IP is also possible when using recent enough software (Apache with mod_ssl which has SNI support).
More info about the SNI here - http://en.wikipedia.org/wiki/Server_Name_Indication
SNI is not supported by IE6 or earlier, and probably not feasible if you're trying to reach older mobile browsers (or even current ones, iPhone does not support it).
Which really sucks because it is an elegant solution to a very real problem.
And running multiple SSL/https domains from a single IP is also possible when using recent enough software (Apache with mod_ssl which has SNI support). More info about the SNI here - http://en.wikipedia.org/wiki/Server_Name_Indication