I was wondering what was better. Hooking up my MIDI keyboard controller using a USB MIDI interface connected to my PC directly or connect the keyboard to my Focusrite 18i20 or Behringer ADA8200?
Whatever needs least cabling. Seriously - I've never noticed any difference with where you get MIDI from as soon as wee dumped the audio card bodged RS232 interfaces which regularly lost notes! Modern direct to the computer interfaces are OK, considering the ticks per beat/bar is quite modest.