Could anyone give me a list of gender bender themed anime?

[lanceStar]

Dubs preferred subs ok

 

[MelvinV]

Some good ones :

Ouran High School Host Club (this one's the best)
K?mpfer
Otome wa Boku ni Koishiteru
Maria†Holic
Ranma 1/2
Akane Chan Overdrive
Princess Princess
No Bra

 

[tellthe_world]

Ranma 1/2