Dual wield does not grant any haste. It grants delay reduction, which has much different effects than haste. The fact that you swing faster than you otherwise would is the only thing they have in common.
Its still a form of haste, you attack faster getting more DoT and even with the changes to tp gain, your still increasing ws frequency, especially when haste is applied to the lower delay.
#4) the tiny amount of damage from DW bonus is not even close to comparable to
adding even 10% to the 4-6 people meleeing in a 2 dnc party
subbing COR for Chaos roll means you need to have a DRK in the pty for it to be any good, and it won't increase the pty DMG by 10%, it would increase their attack by ~10%. The DMG increase the pty receives would depend on the defence/lvl of the mob your fighting.
2xDNC pty's are great 15-40, but after that, it'd be much better to just find a RDM or WHM to accompany the DNC, and an actual COR to give full buffs.
In the OP's case, it would work, but its not the normal thing. Losing out on Haste spell means DD's will do around 17-20% less DMG overall depending on any Haste gear they might already have on during those lvl's (usually anywhere from 3-11% gear depending on which DD's you get, 11% being a good MNK). That loss, along with Dia-diaII, slow etc doesn't make 2xDNC practical post40.
Ofc it would work, its just no where near optimal. The whole /COR thing would only be worth it with the relevant job is in your pty too, even then, getting an actual COR would be a lot better. The whole pty would need rr as a death w/o a raise could/would completely slow you down.
I lvled my DNC in a static with another DNC. We had no other mages or tanks and tag team tanked and split healing. It worked pretty well all the way up through 75. Got a little tricky on Colibris with pecking flurry sometimes, but other than that we didn't have much trouble.
This sounds a lot better, use your 2 DNC's to tank/heal your way to 75, get a support job, ideally BRD simply because of Elegy, then 3 DD. Edited, Oct 13th 2009 1:14pm by Sandmasterr