Do WW Barbs stand a chance?

[Vash]

Someone in some other thread (I can't remember who and where) mentioned that while the bonuses from the IK set look very nice on paper, it doesn't work very well in practice.

Can anyone confirm or dispute that?

But still...I wanted to make either an axe (well, I guess that's not very plausible after reading the feedback) or a dual wield CCB whirlwind barb. Has anyone tried a dual-wielding WW barb? Should I get two two-handed swords or two one-handers?