well, I have P5, P6 and P7 I just can't run them at the moment on my older box and being a Techno Phobe (if you can believe that) the thought of upgrading my newer box and everything that runs perfectly on it gives me the freaking chills!  :(
I suppose I should finally come out of the P4 stoneAge and get at least P6 the last version capable of running on my newer box would be the best thing for me!  Oh God!!!!!!    :(