Vortex Sound Research

Hi guys! I'm gonna start off saying i'm new to this topic and also i'm italian so don't mind my english mistakes. I'm looking for an audio interface and my best options are a motu m2/m4 or a focusrite scarlett 4i4 or even a native instruments audio. my goal is recording some vocals with an audio techinca at2020 and possibly a synth (maybe a behringer pro one). The thing is: the focusrite scarlett comes with a bunch of good plugins (i don't have manys so that would be really good) and is much cheaper, for a motu m4 i could buy an audio interface with 8 inputs. A motu instead has low latency (my computer isn't that great) so that would be a bless. thoughts? or some other audio interface suggestions? thanks!