which area you live , coz i know woodland got 1 good spot.
The open field in from of chirst church sec near the sport school at champion highway there.
Sun-rise , sun-set can be seen if weather is clear , and if you want those high hills with no trees no building , the field there is best , if you want see rising from building or get nearer , get up the hill
See when i free i go take some picture , see if the place suit your taste

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oh btw , sunrise is quiet but sunset quite number of ppl fly kite and remote helicopter , but wont block the sun de no worry , just abit noisy (small helicopter motor)