I think there is a place for both types of networks in addition to Caseta. There are certain devices that only come in one type, or might only have a feature that is available by buying one version VS the other. You might run across a great sale like the Zooz switches that were like $23 this past week.
You probably won't have much success if you only have 1-2 of each type, but once you get a few of each they work better. For that reason at first I would install all the same type or install things in pairs/triples until you build out the networks (Caseta excluded).
Most of the name brand stuff is usually OK. If you dig around on these forums, and there are many hits for a certain device or brand, it probably either works great or not at all. There is lots of good information here, and the search actually works pretty well on this board.
You can also read the List of Compatible Devices - Hubitat Documentation to see if something is officially supported, and/or Community Device Drivers (FKA Compatible Devices Wiki) .