I was going to say that if you are working in Kowloon tong, you should consider that area to live, including Yau Yat Tsuen. Tat Chee ave, Fa Po Street, Oxford road, Lancashire road and La Salle road are some streets you could consider, and side streets that run off them. Another location that is quite close by is Beacon Hill around Ede road, Warwick road and Beacon Hill road.
Not sure about what the rents in that area are these days, but you should be able to find something quite high end, very white collar professional and peaceful for your budget. I'd probably lean toward the Beacon Hill apartments off Cornwall Street, as they'll have things like Gyms pools and tennis courts located in the same complex, not a separate club house located a block away, which is often the case in Tat Chee Ave ie Village Gardens town houses on the Festival walk side/end.