I am not sure what type/genre on anime you are looking for, but here are a few of my recommendations.
Soul Eater
Tengen Toppa Gurrenn Lagann
Hellsing
Code Geass: Lelouch of the Rebellion
Code Geass: Lelouch of the Rebellion R2
Cowboy Bebop
Samurai Champloo
Ghost in the Shell S.A.C. (Stand Alone Complex)
Ghost in the Shell S.A.C. 2nd Gig
Needless
Neon Genesis Evangelion
