Test CD's

I am trying to decide between various test CD's to analyze my stereo system and for future component upgrades. Some of these test CD's available include (a) Chesky jazz & classics volumes 1,2,3 (b)Stereo review-Chesky records gold stereo & surround sound set-up disc, and (c)Stereophile test CD 1 and 2.Does anyone have any recommendations between these test CD's and do the Chesky volumes differ enough from each other that one needs to get all 3 volumes (ditto for the 2 volumes of Stereophile)? If no major difference between the volumes, which volume is recommended? Many thanks.