Mk4 Striders and Mk3 JBs are quite bearable, I'd take them over
a normal Mk3 anyday, but of course DM3500s are still the best

Go and transfer all the Mk3 and Scania OAC to JIS. Must as well
take some powerful Mk2s and nice Mk4 DM3500s from them in exchange

The DAF is still quite a nice bus, despite it being damn slow and
ugly. At least interior is still good, not like normal Mk3 or
Scania OAC when interior sucks exterior sucks also. Infact, I'd
take it over a boring Hispano Merz (which SMRT seems to have
uncountable numbers of) anyday.
btw off topic but despite SLBP having large numbers of DM3500s, it
seems that 66 105 get most of them while 51 gets a small number.
Not spread out like BN/HG/AM.