Just be vigilant when picking out potential donors at the yard. A lot of places use forklifts (or forks on the front of payloaders) to move vehicles around the lot. If a vehicle is 'forked' from the side, downhanging components (like driveshafts, specially one-piece) are vulnerable!
for a street truck a 1 piece is a good deal. my oem 2 piece drove me nuts, but the long ass 1 piece has issues off road with sub 35 inch tires....
with the 42 or 44 inch tires i dont have too many issues smashing it up all the time, but i am not on rocks either..
if you stay two piece there is a myriad of ways to utilize the front explorer shafts, they are plenty strong for rear duty with reasonable engine power...say sub 270 hp.
i have the same issue at the u-pull-it yards for d shaft parts. all the rears are smashed.
casey (red river ranger) has a killer setup i would like to copy with a hard mount carrier 2 piece design that is top notch for off road use in serious trail conditions. the explorer shafts are easy to get and incorporate and hold up well with v8 power and 40 plus in tires in serious places like harlan kentucky and rausch creek.
its cheap and easy so its what he was using last i knew.
the reason i am not running it is because i put a mid ship rail to rail 34 gallon tank in my rig. after i raise the tank 2 more inches i may have the room to do the double explorer front shaft deal out back which will hopefully also allow me to rotate the diff up a bit more..