Well, more metal in your build will slow ramp up speed, so yes, that's unavoidable (unless you want to build to a lower resistance and use a different gauge of wire and etc. There are probably things you can experiment with.
Past a certain point, I think dual coils do lend themselves to cloud chasing, not so much flavor chasing. It takes a lot of experimentation (I think) in order to settle on a dual coil build that works for you in terms of flavor and not too much metal while not making the resistance so low that you'll wind up using more wattage, and possibly less flavor.
Some flavors do better with higher wattage, but I guess you are experiencing the difference between single and dual coils, and if you prefer the single coil, well, you have experience with that.
I built a dual coil RTA one time. I was not impressed (mostly, due to double the work, annoyances with keeping my resistance high enough and etc., which was tricky to deal with. I tend to be much happier with single round wire, but I am totally a MTL vaper so I wouldn't expect much difference.
You could try a higher "ramp up wattage" and that might help a bit, but it kind of sounds like you are running into "OMG clouds" already, so I'm not sure that's exactly worth your while and etc.
But, what you are doing is learning your preferences by stretching your build envelope, which IMO is exactly what you "should" be doing to figure out your preferences, so either way, it's a win
Anna