Comes down to life style, commute and what areas you personally prefer.
Here are the trends:
Personally, Cambrian would make more sense from a ROI point of view.
Santa Clara County does do better than other counties, this is where the jobs are.
If you need a detailed market report get in touch.
Although not exact boundaries, typically Cambrian Park is the neighborhood around Union/Leigh and Camden.
To the South - Leigh Avenue, to the West - HWY 85, to the North Bascom, East - Camden Avenue.