Shit to watch for Megumi Hayashibara:

Kids Robats, but fun:
Mashin Eiyuuden Wataru
Madou King Granzort
Zettai Muteki Raijin Ou
Nekketsu Saikyou Gosaurer


General "Mecha" Robats:
Neon Genesis Evangelion
Gundam 0080: War in the Pocket
Tekkaman Blade

Non-Robats:
Slayers
Cowboy Bebaps
Saber Marionette
3x3 Eyes