anime!!!!!!!!!!!!!!!!!!!!!!!!!!!?

Mecha:

GunXSword (very good and comedic).

Gunbuster (for mature fans though)

Macross

Robotech

Voltron

Racing:

Last Exile

Eureka Seven

That's what I feel like listing now. All of them are good.

www.animenewsnetwork.com

go the the anime encyclopedia if you want to find out more about any of these anime (or other anime) on the above website.

Good luck in finding one that you are interested in.

nya nya

Initial D is a good racing anime...no mecha though

Initial D

Gundam series

Code Geass

Fullmetal Panic

Magic Knight Rayearth

Code Geass for mecha

Seconding Initial D. And anything Gundam.

Also:
Ride Back: http://www.animenewsnetwork.com/encyclopedia/anime.php?id=8049
Air Gear: http://www.animenewsnetwork.com/encyclopedia/anime.php?id=6251
Fafner: http://www.animenewsnetwork.com/encyclopedia/anime.php?id=3870 (depressing, though.)

Gurren Lagaan

yea theres alot that u can watch you should type it in on wikipedia. and the site that u should watch them on is animecrazy.net it is the best anime site ever

Eureka 7 and Gundam wing if that counts as mecha.

Battle B-Damen.

FRUITS BASKET HAS FIGHTING AND YOU'LL LOVE IT! ANYONE WOULD REALLY! and ouran high school host club is amazing! i just finished watching it and it rocks!!!!!!