this is strictly personal opinion.
for the current batch of developers that we have in the market, i would rank as such:

true and tested but not necessary means good quality:
sunway
ijm
gamuda
sime darby
uem sunrise
brdb
ioi
sdb
sps
uoa
ytl
guarantee completion but may face some issues:
tropicana
mahsing
berjaya
mkh
sunsuria
glomac
relatively new ones to look out for:
exsim
binastra
eupe
skyworld
platinum victory
dk

I heard some issue with their Bayam houses?? Houw come?