^^^I can't figure out whether the quill stem or loose ball headset is more more important to you, but it makes no sense to me to put those small bits above the frame itself in your decision. However, rather than pollute this pic thread with more gibberish - I'll just once again wish you good luck...you are going to need it. And since I'm already here, might as well try to get things back on track with a pic of what is my son's 'Roller now, back when it was still mine years ago and I ran it with 35mm CX tires as a FG MTB