Mine spun really well actually by hand and had just about zero end play. Spun at idle, etc.
What it did have was crazy side to side play and would actually vibrate off-axis under higher RPMs! Not cool.
I took the intake off and you could see it vibrating just revving the engine in the driveway.
I posted a video on FTE and nobody had ever seen that before...
I live near Justin at R&D Performance and brought him the turbo, he said it had the worst side-to-side play of any he'd ever seen, haha! I was able to buy a CHRA right there on the spot.
Edit: because of the amount of oil that goes through these intakes, when the compressor fins touched the housing, they wore down clean and evenly. Being a turbo noob I couldn't really tell how badly they had touched until I saw the compressor side of both my used one and the new one. Logically, the turbine side was also worn down.