There is no profit, do not bother.
When "profit" from immutable will loom on the horizon, you'll already be ready for it (or will face some problem and will immutable, or just improve the theoretical basis and complexity of the problem). As I understand it, using immutable and without use .toJS()
- search in the structure of your data will be faster.
p.s. if you find the video, there was a presentation. is not found.