Welcome back to the sport! Neck collars have evolved from the big and bulky foam style like the simpson collar or even g-force collars use to be. I wear a thin EVS collar that is quite comfortable but still gives a level of protection in case of roll over. I got mine off amazon for roughly $40 I believe. The 360 device is really nice but can be uncomfortable at the same time too.
If anything look into a nice ribvest