Test CD

Granite Audio has a couple but seem to be overpriced $50.
http://www.graniteaudio.com/phono/index.html
I bought 2 here on Agon in an auction years ago (CD-102 and CD-103). I used it to break in a replacement pair of speakers that had a flaw in the finish. The original pair of speakers took 400 hrs of just playing music on them. The replacement pair took 450 hrs playing music while I was home and looping on white and pink noise and frequency sweeps while away or sleeping at night.

That said I tried using it to set up a sub. Big mistake. What sounded like a perfect sweep sounded horrible when playing music (way too much bass).

This CD(http://www.musicdirect.com/p-6813-cardas-ayre-acoustics-ibe-burn-in-cd.aspx) contains Pink, White and Brown noise tracks, which can all be used to burn-in speakers or electronics. The Pink Noise track can be used, with a spectrum analyzer, to test speaker/room freq response.

I use the Isotek burn in cd to burn in my equipment and the Stereophile cd to set up the system.

Would it make sense to buy more than one of these CD's to burn in a new pair of speakers? Will one Test CD offer some advantages over the other with the kind of noise or music it contains?

I'm going to spend less than $500 for a pair of bookshelf speakers. I know the kind of sound that I desire in a speaker and have narrowed my choices down to around 5 models that possess these traits based upon both professional reviews and user reviews. With that in mind I am wondering if certain CD's will offer advantages for a speaker with a particular sound?