Downtown San Diego [1] offers an astonishing array of dining choices, from understandably fabulous Mexican food [2] and surprisingly diverse Italian [3] option, on to upscale California cuisine [4].
Links:
[1] http://www.moon.com/destinations/california/san-diego
[2] http://www.moon.com/destinations/california/san-diego/food/downtown/mexican
[3] http://www.moon.com/destinations/california/san-diego/food/downtown/italian
[4] http://www.moon.com/destinations/california/san-diego/food/downtown/california-cuisine