Digital BW, The Print

It is time to upgrade the computer I use for PS and, for a number of
reasons, I am thinking of switching from a PC to a MAC. Can anyone
recommend a reasonable set up for PS (CS3) using a MAC -- not top of
the line, but something that will work well.  Please reply off line as
I suspect this is not a topic of general interest.

I would appreciate any suggestions.  

Thanks,

Steve