You are on the right track. You didn't mentioned if you're mulching the clippings but if you're not you should.
Its all about putting organic matter into your soil and giving the soil bugz something to eat. In that vein it wouldn't hurt to mulch at least some of those leaves into the lawn as well.

You don't need to worry about grubs until their population exceeds 10 or so per square feet. A few here and there are no issue.

As far as further inputs at this point its hard to imagine you'll do any harm but there is no silver bullet here. If you're transitioning into organics you'll need to use more inputs early on than you will down the road. The first season or two it certainly helps to try and keep tabs on how much N you're putting down. 1# per thousand sq. ft.
per app is a fair rule of thumb. In time you'll pay no attention to those numbers at all.

Dandies and plantains come out easily with a weed hound if the soil is a little wet, same for crabgrass. Creeping Charlie will die back quickly with a shot of white vinegar applied to the leaf surface, especially if its sunny. Oxalis is easy to pull or will respond to vinegar as well.
Violets are a pain initially. Hard to pull and hard to kill. I had a good stand the first couple of years but my lawn choked them out completely and I haven't had a bloom in my yard in years and years.

Thanks Decklap,
I'm actually transitioning from years of total neglect to organic care - nothing but mowing has been done - luckily it's good Iowa topsoil, but even that gets depleted after decades of only grass clippings for food.
The yard was like this when I bought it (in winter) so I'm assuming anything done to it was long, long ago.

I especially liked the recommendations on weeds - unfortunately the violets are the main weed in the front yard. I will definitely be using white vinegar on charlie/ Many many thanks for your advice.
Lucy