[suicideneil]

My driveshafts have alot of slop in them too (diff to wheel shafts), its right around the UJ area, but its hasnt caused any problems to date- very sturdy shafts to be honest.
Small springs (from a pen?) or some fuel tubing usually cures the center shaft issue by centering them in realtion to the drive cups at each end, but if they are too loose they can tend to pop out sometimes- time will tell.