Not having a degree is the type of thing you will be reminded of at nearly every turn in your life. Even if it's a pain in the ass to get one, I imagine it'll be an even greater pain explaining to employers at that you only left because you didn't like it. Then you'll have more convincing to do before said employer believes you're up to snuff with other, degreed candidates.

There are more shades of gray for someone going into their first year. If you're already halfway done I tend to think it'll be to your advantage to set your jaw and grind through your last year or two.