Depends on how much experience you have with guns, one of my buddies was building one and that stuff exploded in his hands, luckily he did not get a lot damage, but stillA hand build can most assuredly be MUCH better than a factory "off the shelf" offering, but you may not be able to afford it.
Quality is a relative term.
It has a different meaning to different people.
Some believe Colt are "quality" factory offerings, while others will scoff at the notion.