The solution to inviting all friends to an event

Let us work together to find a workaround.
I have about 4000 friends, and plenty events coming up, and i RELIED on facebook.

anyways, I am going to be making seperate Friendslist
I will have 200 friends in each list. I will let you guys know how this works.

this would equal 20 seperate groups (gonna take a long time to do this but it's worth it)

ANY OTHER SUGGESTIONS? PLEASE POST THEM
ALSO, if anybody can figure out a way to INVITE ALL MEMBERS FROM GROUPS WITH 2000 PEOPLE

I use greasemonkey and the script "select all friends facebook" for firefox. It works, and auto-selects all my friends for inviting to pages and events. I have 2000 friends, click the select all button that now appears in the window, and wait about 10 minutes for all of them to get clicked. Doesn't break tos or anything, so you're completely safe.

i noticed that "safari" works best with the select all code. It selects all in like 5 - 10 seconds while firefox freezes and crashes