i lived @ rancho cucamonga, ontario, riverside......wow i lived around those towns 6-7 years accumulated.
from my experience, rancho cucamonga, ontario, upland, claremont....they are all great place to live. in fact, it is one of those fast growing cities in california. advantages living in these cities are 1. you can get n e where for about hour drive; beach, mountain, desert, LA, you name it......
2. very well kept cities, clean, educated pplz......so and so forth. there are great schools for your child too (i assume youd bring your son with you)
now, riverside? fontana? compton? id seriously think again if you're planning to move into those cities. although fontana is going through some re-development, unless you are buying new house with newly built gated community, i wouldnt move into fontana either.....
GL..........................