Been to these rallies:
1. Laconia, many times
2. Myrtle Beach twice
3. Ride to the Wall, DC 
4. Virginia Beach
5. Nags Head, NC

Love to go to:
1. Sturgis
2. Daytona
3. Panama City, FL

maybe one day! 

Never gotten to go to any as of yet so I want to go to as many as I can.

I've been to -
1- Sturgis - in My opinion the best
2 - Laconia - honestly wans't impressed -
3- Daytona Bike Week - been there the past 17 yrs or so (missing this year!!)
4- Daytona Biketober - better than Bike Week, same act but with smalller crowds
5 - Americade , Lake George NY - been there a few times it comes the week before Laconia - better of the two I think -
Want to go to -
Panama City Bike fest
Johnstown PA Bike week
ROT Rally
Chillocthe

I've been to:
Daytona
Laconia
Sturgis
And allot of local rallies

I'd like to go to:
Harley Rendezvous
Americade
And probably a few more I can't thing of right now.

If memory serves correctly, been to:

STURGIS
LAUGHLIN RIVER RUN
THE REDWOOD RUN
THE LOVE RIDE (with Jay Leno)
AEMRICAN HEAT (Palm Springs)
THE HARLEY RENDEZVOUS (New York)

I would love to go to these rallies:

HAWGS OF TEXAS RALLY
THUNDER IN THE SMOKIES RALLY (NC)
JUNE BUG BOOGIE (TN)

Now that I have them down, it looks like I haven't gone to as many as I thought!

Been to Sturgis twice,Red Wood Run,Hells Canyon and this year we are going to Hawg Wallow in Idaho. Lots of the listed rallies are on my to do list so I need more time and money lol!

BTW, does the Amtrak Mooning count as a rally???????

Been to:

Sturgis 3 times going again this year. It is the best rally.
Laconia rained both times but going again this year hoping it's dry.
Daytona Bike Week two years ago. Too many kiddies for me.
Milwaukee Hog Rally. Liked the museum and Miller Park. Not big on HOG rallies as too many HD commericials.
Thunder in the Valley, Johnstown. Camped at the Fire Co. Park. Good rally but ice on the bike in the morning.
DC annually for the Ride to the Wall event. Local for me so it's a day ride.
Never been to Chillicothe.

Chilicothe, day tripped-crowded-no parking
Daytona Bike Week- many times
Sturgis-once, but didn't have my own ride
Spooktoberfest-predates Biketoberfest (Daytona) 1989-90
Rides I want to attend...
Laconia
Ride to the Wall
Harley Rendezvous Ride
Bottom/Top East Coast Run (June 2012)