Very cool, big bang for the buck set up. Maggies are wonderful.
Ever considered the Sound Anchor MMG stands?
http://www.soundanchors.com/page52.html
You might try some sort of isolation feet under at least the CD player. Vibrapod has a new cone that's pretty cheap.
http://www.vibrapod.com/vibrapodcone.htm
A cryo'd Hubbell outlet from Albert Porter here on AgoN for under $40 will take it up another notch. Have fun.