This is an opinion question. I personally think that Love Metal is the best; it is consistently strong, it has several killer tracks and is heavier than many. Dark Light is also very strong. Deep...
Any song on the Mingus Big Band album "Gunslinging Birds" Sing, Sing, Sing is a classic Benny Goodman tune High Maintenance by Gordon Goodwin's Big Phat Band Take Five by The Dave Brubeck
It depends on which genre you like the best from them, if you liked their old punk stuff, you will probably like Very Proud Of Ya, if you like the more rock-ish AFI choose Black Sails In The Sunset,...