By all means do some research now but I strongly recommend you stay in a hotel or a
Serviced Apartment when you first arrive, until you find your bearings.
Suitable areas will depend on your circumstances - single, married, kids, etc., and also where you will work. Do you want to be close to nightlife, and what kind? Supermarkets? Nowhere in Singapore is far away, but we tend to get lazy after a while and expect everything to be close-by!
Give us some more information and I'm sure people will be happy to advise. Also your budget - what do you expect for that amount, e.g., 3 bed
condo with facilities or...?
The
property pages on this site have tons of useful information, too.