first let me say with a 206/206 cam and ported irons I think you would greatly benefit from a larger turbo.
6262 billet precision turbo has a 62mm billet compressor wheel & 62mm turbine wheel (rated @ approx 670hp)
6265 billet precision turbo has a 62mm billet compressor wheel & 65mm turbine wheel (rated @ approx 680hp)
both available in journal bearing or DBB (ball bearing).
the 6262 will spool faster than the 6265 (hence the larger turbine wheel), however the 6265 will have more top end.
precision also now has a 6057 which is a 60mm billet compressor wheel & 57mm turbine wheel (rated @ 630hp and available in journal and DBB).
hartline performance, cottons, and fullthrottlespeed carry these turbos as well as many other vendors.