ORIGINAL: Neotheone
I concur but we must remember these are indie developers and thus they don't have the motivation or most likely time like the big boys do.
I used to use Wise, but meh, Installshield is still Orca based.
It doesn't take a lot of time or effort to put together a basic msi install. It's shockingly easy - one of the things M$ got seriously right... even more so if you remember the old installation nightmares of Win3.1 and Win95.