Until browser support for SNI is up to par, there is a viable solution: using a wildcard or Unified Communications certificate that covers multiple names in one certificate. Using such a certificate, you just need to use this Directive:

NameVirtualHost 192.168.1.1:443

More info on how to do this in Apache and IIS is available here: http://www.sslshopper.com/article-how-to-configure-ssl-host-headers-in-iis-6.html