User blog comment:Tails365/Nami's lane partners/@comment-5294937-20121209150708

Well, in my opinion, carries that benefit the most from her are.

1. Varus - Nami's E and his W are really good and she can make it easier for him to land his ult and he makes it easier for her to land her ult..(as if her ult isn't easy enough to land already :l) and yeah.

2. Ashe! Because Ashe is nice and she slows and nami's E is good for her and their ultimates are both disables.

3. Ezreal! Because his Q applies the on hit effect from nami's E and because his mobility and her disables seem good to me .-.

4. Twitch because Nami's E will make him deal all type of damages:True damage, magick damage and attack damage and he will also slow, which is good, she ults, he ults, gg :D

5. Miss Fortune. Her Q applies Nami's E and their ults synergize well.

6. Kogmaw. Because he will not only deal even more magick damage but he will also slow. :D

7. Teemo. Same reason as Cockmaw. :D

Nami is all about using your ult at the right time either to engage or help in a teamfight and her W is really effective also .-. and use your E on your ad carry! Her Q is also a perfect disable for teamfights, just stay back and support.

I hope that helped, althought, i'm not a really good player myself so the information i have given you may or  may not be particurarly correct.