Which cd changer to buy


I need a new changer to replace my failing Marantz. I really want the Sony SCD 555ES but am having a hard time finding one to buy. They sell very quickly here. Anyway, would the Sony SCD 222 going to be noticably 'worse' than the 555? What about the 333; That has good press but older. Are the newer models that much better?

SACD is not a deal breaker for me, but a nice feature. At this point I can only use 2 channel so the 5.1 channel is also negotiable. I'm in a hurry to get a replacement, so opinions are appreciated.

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mdomnick