>>4011101>Should I stick with Canon for the cheaper lenses?That would be the cheapest option for you.
All the good Sony options are high value, but they still cost more than your budget.
A6000 + 17-70 F2,8 is fantastic becauseit has optical stabilisation.
A6400 + 17-70 F2,8 = Optical stabilisation and even better battery life
A6600 + 17-70 F2,8 = Optical stabilisation and the best milc aps-c battery life in the world