Will someone list me some good Chinese duets? (Whether it's boy-boy, girl-girl, or boy-girl)
I'm mainly looking for Mandarin ones since I have most of the Cantonese ones =)

I already have
Fan Wei Qi & Angela Chang - Ru Guo De Shi
JJ Lin & Jin Sha - Summer Breeze
Genie Chuo & Gary Cao - Liang Shan Bo Yu Zhu Li Ye
Guang Liang & Fan Wei Qi - Hao Ji Mo
Show Luo & Xiao S - Lian Ai Da Ren
Ado & JJ Lin - Xiao Shuo

Edit: I'm going to add on to my list for the ones I already have. Thanks =)
Leehom & Candy - Hao Xin Fen Shou
Wilber Pan - Bu De Bu Ai
Alex & Stephy - 10 Fun Oi

I probably have more but I can't remember them right now.

Thanks :]

Landy Wen and Jay Chou - Wu Ding (Rooftop)

王力宏 & 盧巧音 - 好心分手
wilbur pan - 不得不愛
alex fong and Stephy tang - 十分‧愛

I'm just going to list a bunch of duets

Wilber Pan ft. ...I don't know her name - 不得不爱
Jay Chou ft. ...I forgot his name :X - 千里之外
Jay Chou ft. Landy Wen - 屋顶
Jay Chou ft. Lara - 珊瑚海
Michael Guang Liang ft. Cao Ge - 少年
Fahrenheit ft. Hebe - 只对你有感觉 (from Tokyo Juliet)
Jolin Tsai ft. David Tao - 今天你要嫁给我 - I don't really like this song but I know people who do. *shrugs*
Jason ft. Landy Wen - 能不能 (from It Started With A Kiss)
Jason ft. Lara - Say U Love Me (^)

& That's all I can think of for now...

Jasmine Leong and Victor Huang (right singer?) - Ming Ming Hen Ai Ni

Jason and Lara - 能不能

Hmmm

There's:

Guang Liang & Jiang Mei Qi - Dui Ni You Gan Jue

Alex Fong & Teresa Fu - Zi Hei Hei Yun/ Self Deception
Don Li & Mandy Chiang/Zhiang - All their songs are together