For sure, I kept gradually trying to upgrade my headlights every year and finally pulled the trigger on a retrofit. I think its also safe to factor in what you have available. I actually had a hard time finding IS projectors for a while so I just went with what the best projectors were at the...
HID LED Retrofit Projector
This is the latest thread I'm seeing regarding headlight upgrades. I have a 2017 T4R here.
I've put different bulbs (Sylvannia SilverStars, 2Stroke LED bulbs, Phillips XTR HIDs) in my stock headlights before finally retrofitting projectors.
As of Feb 2020, the best...