Likewise I didn't have Playmobil as a child, so no sentiments involved, but I do now have a mixture of old and new Klickies and I think I do slightly prefer the new ones as they appear to have more personality.
Having said that, though, I usually find a hair swap usually does the trick.
I buy a lot of my Playmobil from EBay and I have ended up with a lot of lady Klickies with blue arms and legs and white dresses. I nickhamed them the Zombie Nurses because if you group them together they look a bit creepy. But by swapping hair over* and making a few of them blonde, they look more like individuals who deserve names
Now I have been made to think about it, I suppose we do discriminate a little between old and new. The older ones tend to end up as "extras" in the same way as film extras when we are playing. They don't get the speaking parts and are the ones who end up being stuck in burning buildings and get rescued, or make up the queue at the airport, or sit on park benches.
* You'll find as you get to know me better that I have an objection to hat hair on an individual who does not necessarily need to be wearing a hat