expand_less Players familiar with the original tier system threads may recall [[http://bg-archive.minmaxforum.com/index.php?topic=5070.0|Why each class is in its tier]].
Rather than break down each class individually, I'll discuss them as a group in their own section:
 [[3.P Notes for Vancian Spellcasters]]
[[3.P Notes for Psionic Manifestors]]
[[3.P Notes for Martial Initiatiors]]
[[3.P Notes for Spheres of Power and Might]]
[[3.P Notes for Akasha and Incarnum]]
[[3.P Notes for Occult Binders]]

See also the [[https://docs.google.com/document/d/1hiQ4naLEsyVU81YRDJIP6yjAcFMIjMfpFZ6O_CrbJC0/pub|Archetype Tier List]].  Note that not all archetypes or other options are shown in the tier listings above.  Most don't sufficiently change a class's power or versatility enough to warrant a tier change, and we expect players to bring any problematic options to the GM's attention.