queensway shopping centre is the best place for shoes.
sungei road is the best place for garbage/treasures
geylang is the best place for "chicken" and supper also
peninsula/selegie/plaza sing are the best place for musical instruments
funan is the best place for proprietary brand computers/parts
simlim tower is the best place for electronic parts
simlim square is the best place for computer parts (3rd floor onwards)
hope this answers alot of questions.