Velium swiftblade

[Troxx]

My warrior is 18 now and using velium swiftblade (5/24 36% haste).

For now with relatively low dual wield I know it works out for the best - am just curious at what point dual wield and double attack will hit the point that it would be preferable to downgrade haste to 24% and swing two higher caliber weapons. For now offhand just doesn't seem relevant enough to bail on 36% haste.

Ratios I will likely have available will include:
14/28
25/40 (wurmslayer)
11/23
9/18