For those checking The Gardens at Bishan under Period 9, these free personalised reports are a good starting point, especially for understanding your Gua/Kua number, East/West group, and favourable directions.
However, do remember that personal suitability is only one part of the assessment. For a condo unit, the actual stack, facing direction, internal layout, kitchen, main bedroom, and external environment still matter a lot. So use the reports as a first filter, then narrow down to the specific unit before making any serious buying decision.