Not the best anime, but my favourites. In alphabetical order.

Top 10 Favourite Anime Rating
Princess Mononoke (movie) Masterpiece
She, The Ultimate Weapon (TV) Masterpiece
Whisper of the Heart (movie) Masterpiece
Chobits (TV) Excellent (dub & sub)
Ghost in the Shell: Stand Alone Complex (TV) Excellent
Gunslinger Girl (TV) Excellent
(The) Melancholy of Haruhi Suzumiya (TV) Excellent
Nodame Cantabile (TV) Excellent
Toradora! (TV) Excellent
Elfen Lied (TV) Very good