One of the reasons I love my A4000D, it has a jumper so I just leave it in PAL, unlike the Atari STs, it seems to me 90% (okay, I'm pulling that number out of nothing but some very limited experience) of software was written with PAL machines in mind.
I know there were quite a few games that I attempted to play that were completely broken until I switched to PAL.
I do highly recommend getting a custom kickstart burned, my system sure does seem to boot a heck of a lot quicker with certain newer libraries in ROM. I still need to figure out which libraries those are for when I do my set up again, so that I don't end up re-loading them and having the system reset because of it.
slaapliedje