You're welcome, glad it helped, even if i misread the post somewhat
...Actually common sense tells me there is an improvement (admittedly not noticeable) for why bother disabling them if not for that reason?
I really wouldn't know about performance increases etc. as I have only every had them all on, even in 4.8...
I also think it would depend on the specs of your system, ie the more powerful the system, the less you would notice it...