Hello! Welcome to board
I'd say the first three albums ARE as great as Sister, Evol, and Dirty. Very essintial. Their the most raw.
I think Confusion> Bad Moon> SY EP
Just for a taste... Here's some youtube videos of songs that appear on confusion is next/kill yr idols
http://youtube.com/watch?v=V4uL9fAeoXc
http://youtube.com/watch?v=EgxevKwvbaQ
http://youtube.com/watch?v=LVFQI35EpSE
Here's some BMR stuff
http://www.youtube.com/watch?v=XFpvcwENKTU
http://www.youtube.com/watch?v=XrZ3opXYpf4
Here's one from the EP
http://www.youtube.com/watch?v=7m2a6J1-gFQ