Originally Posted by slant

I'm not convinced that's actually true. Please correct me if I've missed it, but I haven't seen any math, sims, or tests that showed any reason to have an offhand slower than your mainhand. You just want them both as slow as possible, and while you'll miss out on the extra flurried hit if they aren't the same speed, 2.7 main / 2.6 off is perfectly viable.