Gentlemen and ladies,
I've just built my first Wiki, for the ultimate musical act, Dildano. You'll find it at www.WikipeDildano.com.
I'm using MediaWiki (i.e., the same software that Wikipedia uses), I've customised the CSS a bit, done some .htaccess hacking, and it's running on HostGator hosting. If anyone has any questions or profound objections, I'll be glad to help.