Yes, they are all similarly geared and AA'd.
Ya gotta think about it this way: Which classes are solely dedicated to DPS?
For melees, you have the Rogues, Zerkers, and Monks. But since monks have some better utility, they generally fall a little behind. The ONLY thing rogues and zerkers do is DPS, if they weren't on the top of the dps charts, they would have some genuine complaints and issues to bring up to Sony.
Same thing for the caster classes. Necros and Wizards do DPS. It's all they do. That's why they are tops.
Hybrids work a little different, because by definition they have more utility than pure melee/caster classes, and really there is only SK, Pally, Ranger, Bard, and Beastlord that could be considered hybrids anymore (I consider bards a hybrid, because they are not really melee, and not caster either). SK and Pally are considered "tank" hybrids. Rangers are considered "dps" hybrids. Beastlords and Bards are considered "utility" hybrids.
There may be a little difference in opinion (which I respect), especially about the Beastlords, but the way I see it; even though they CAN (and do) push out high dps, they have a lot more utility than a Ranger does (slows can overshadow any utility a Ranger has). And as was mentioned above: if anything happens to their warder, their DPS goes down the tubes. Rangers do not have this problem, hence the reasoning why they would be the "dps" hybrid.
One more thing you need to consider is that on different encounters, a Beastlord WILL outdps a similarly geared/aa'd Ranger. Why on some and not on others? Mainly because Rangers end up pulling "add kite/snare/root duty". Once this happens all dps on the main mob ceases, whereas if a Beastlord needs to cast Spiritual Epiphany on a newly rezzed raid member, even though they are not dps'ing anymore, their warder is still hitting the whole time.
So, to answer the OP's question:
IMO
Rogues are the best melee dps class, followed closely by zerkers
Wizards are the best "burst" dps caster class, and necros are the most "efficeient" dps caster class.
Rangers are the best hybrid dps, followed by Beastlords (both classes melee mostly anyway, but spell damage does help).
Edited, Sep 4th 2008 11:38pm by GreenShag