Geocities-era site design and strangely familiar logo.
Oh, and the owners decided to induct Ultima Online -- a game for which we have something of a soft spot.
In any event, the site features an MMO timeline, a World of Warcraft timeline, and a listing of UO releases, expansions, and special editions. You can also view the site's voting committee, which includes Blizzard, Sony Online Entertainment, and Wizard101 developers as well as MMO writers and fans.
[Source: MMO HoF press release]