I have a paladin built to use chaosblades - the full build write-up is here:
http://forums.ddo.com/showthread.php...05#post2766005
The character uses marilith chain for seeker 10, litany of the dead, tharne's goggles for sneak attack 5, shintao monk set for +2 hit/dam, knight of the chalice tower set, and still manages to fit in 39 UMD for no-fail heal scrolls.
For those who had questions about neg levels from marilith/chaosblades - you get one neg level for each trait you don't have. So, my build gets 2 total neg levels - one for not being chaotic (chaosblades) and one total for both taint of evil items (litany/marilith).
Neg levels do not effect
BaB (I just tested). Neg levels give you -5 hp, -5 mana, -1 skill, -1 save
-1 to-hit.
On the 2nd page, I've just updated the build with new gear set-up using dragon epic gear, and added dps numbers for Min II and Lightning II Khopeshes.
Here's a quick re-post of the dps comparison, using my build's stats and gear:
Chaosblades beat Min II for boss fights by 30-70 dps depending on fort.
Chaosblades are identical dps to Lightning II on evil outsider trash when anarchic works. Slightly below when it doesn't, but they also vorpal and heal you with vampiric.
So, chaosblades are very worth it, as long as you enjoy running epic queen and are willing to have a little patience getting all the items!
DAMAGE
13 str + 6 weapon +5 power attack + 3 divine favor +2 shintao + 8 divine might IV + 8 bard song +1 litany = 46 main hand/39 off hand
A. Named devil boss fight, 6 min:
(no sneak attack, with madstone, with haste, Divine Might, zeal, smites, and divine sacrifices):
1.) No fortification
Chaosblades:
552 damage/second
Min II:
482 damage/second
2) 50% fortification
Chaosblades:
486 damage/second
Min II:
450 damage/second
B. Trash evil outsiders
(haste, DM and zeal, sneak 45% of time, no madstone, no smites, no divine sacrifices, no mob fort)
Chaosblades (if anarchic works):
487 damage/second
Lightning II:
487 damage/second
Chaosblades (no anarchic):
438 damage/second
Min II:
423 damage/second
Note -- I'm assuming in these calculations that acid does not hurt the mobs. Lightning does hit them. Anarchic applied as listed above.