Originally Posted by
jpatokal
Generally the bus is a better choice: more frequent, faster, more comfortable and usually cheaper too. Try a search in the Singapore forum, there are lots of companies but Aeroline and Transtar are probably the best of the bunch.
Bus = 6 hours. Train = even longer. Has the OP looked at flying Air Asia or JetStar to get back to Changi? Tickets have been really cheap since the SIN-KUL route was opened up.