I love my P01; however, if I were to buy a SP01 I would not go with the decocker model. Reason is that the CZ with decocker is much harder to fully disassemble and reassemble. Also, I believe the decocker model's trigger is more difficult to smooth.
P01 mags from mecgar could be had (before the insanity) for under $20. The P01 can also use SP01 and regular CZ 75 mags for bench use. I have a few Tactical Sport 19 round mags I take to the range with me. Along with my Tactical Sport