Eventle is one of these sites that fight for the mantle of “the simplest online resource for organizing an event”. And the word that best describes the site is precisely that one: “simple”.
Anybody can sign up for a free account, and then create events that can be as public or as private as he wishes. These events are created over a three-step process that involves specifying where the event is going to be held, when, and who are going to be invited. Once that has been dealt with, the page for the event will be generated. The host can then proceed to promote his event as widely as he desires.
People will be able to confirm that they are indeed attending or not, and the promotion of the event is made all the more direct by the use of a series of widgets that can be pasted into other sites. These will let invitees confirm attendance straight from there, and avoid having to visit the individual page of the event.
As you can see, then, this is a simple site and no mistaking. I invite you to pay it a visit right now, and determine whether it is a simple site in the “good” or the “bad” sense of the word personally.
Eventle.com In Their Own Words
“Organize your events easily!”
Why Eventle.com It Might Be A Killer
It is a very direct way to organize an event and get all the people that you want invited in just a couple of clicks.
Some Questions About Eventle.com
Will advanced options of any kind ever be added? 
