You either love neuro or hate it. I guess the reason I love it is the complexity of the patients and the need to constantly be observant for subtle changes that indicate a problem. It's very challenging in that regard, so if that's what turns you on, go for it!
Yes, there is a lot of physical labor involved. These patients are as total as total care gets, but usually a neuro staff are pretty good about helping each other with those aspects of care.
Are the families "demanding"? Well, that depends--I don't think it's different from any other area of the hospital, but you will spend LOTS of time educating families about the various disorders. I think the chronic population (MS patients, seizure disorder patients, etc.....) are the most difficult ones, and their families can be equally as difficult. A new brain injury or spinal cord injury is like any other acute patient--lots of education needed coupled with the challenges of stabilizing the patient. I used to have a stroke family education and support group once a week to address questions and provide consistent information--P.T, Soc. Work and Nursing ran the meetings. Generally excellent turnout.
I hope you are still considering Neuro after everything posted here--it's challenging, but very rewarding.