DH is spoiled with Dawn. The alternative is OrotZ w/ high CDR and attack speed, Echoing Fury and or Pain Enhancer. Builds that use Yangs can pull this off rather easily, but it really doesn’t offer much advantage losing a ring slot. You need about 3APS and 60% sheet CDR to make it smooth.
For instance, I’ve done this with S6 Impale, by including LGF and Pain Enhancer.
Regarding the Shadow set, there is a lot of good info posted above, some of it answers these how-to questions. Is anyone willing to volunteer and combine it into a single post? Someone new coming into a this long thread is going to miss the golden nuggets, or the opportunity to dispute them.
Here are posts that I wrote on EA and Chakram, basing their upgrades behaving like generators, while making them not feel like the same build: