upgrading to e30 3.73 LSD + mz3 sub/trailing arms?

[cali-ti]

ok, my diff is on its way out (i'll find out for sure tomorrow, but that's the prediction), just the standard 3.45 open diff.

so i've been reading here and other bimmer forums about the 3.73 LSD swap into the ti. also that the subframe and trailing arms from the mz3/mcoupe can be swapped in.

questions i have (for now, most likely be more later :P):

1) what's the advantage of swapping in the mz3/mcoupe rear subframe? where does one put the jack stands underneath the rear end when one is replacing the rear subframe itself (as that is where i would normally put them)?

2) with the e30 3.73 LSD, would the mz3/mcoupe driveshafts (complete, unmodified) work with the stock 318ti trailing arms, hubs, etc? are they the correct length?

3) what other modifications (brakes, etc) are needed if one replaces the stock trailing arms with those from the mz3? i believe i remember something about caliper location, brake lines, can't remember what else being different.

4) regarding the mz3 trailing arms, do they also only have those lame tabs to which the anti-sway bar end-links attach or did they actually strengthen/redesign those? be nice to know i won't STILL need to weld in reinforcements on the mz3 trailing arms if i put those in.

5) if i don't or can't use the mz3/mcoupe driveshafts (too long, won't match to hub, whatever), what is the next best option? can i use my stock 318ti driveshafts (migrating my flanges from the 3.45 diff) or do i need to use e30 325 driveshafts or what?

6) where is a good source of used/rebuilt diffs/driveshafts/mz3 subframe/trailing arms, etc?

guess that's it for now. thanks in advance for all the help/info/opinions

eric