Precision 6262's seem to be the norm on larger displacement 4's and smaller displacement 6's. Billet wheel is key! Holset's seem to just be a cheap turbo that people slap on to make power, and typically aren't sized properly for the setups.
91 318is - M50NV (gone)
02 WRB Subaru WRX EJ207 forged, 320 AWHP stock turbo.
85 - 325
02 325i Sedan