Allow me to voice my opinion, even though I am not an eligible voter. Many Singaporeans would like to see someone other than a PAP candiate win the election in their constituency, but they still will vote for the PAP candidate because the party is the "proven" performer. Over the years, Singapore's progress has been attributed to PAP proficiency because they happen to be the incumbent in office during these progessive times. That said, this progress would have come about no matter who was in power (as long as it not some idiot crackpot) as the whole region (SEA) was progressing. PAP took credit even though it wasn't their doing. Because of this situation, they rode along the prevailing currents and the media made it sound like it was because of them that there was progress. The other parties have not been given a chance yet.
If I were voting, I would cast my vote in favour of the underdog. Why? Because I'm a small ordinary working class chap, not some rich privilieged elite. And it is this group I identify with.
Cheers!