If I lived in SoCal I would have neither rollers nor a trainer. I would just ride outside.
Compared to riding outside, both these devices are a form of torture.
That being said, I still prefer riding the rollers over the trainer, it's the lesser of the two evils. Both have their place, and I grant that if your goal is to do a set of intervals the trainer is better.
But since you live in SoCal just go outside and ride....you can sell the rollers and trainer and use the proceeds to buy a good set of lights.