Well, I will add in my two cents and say that while I have not heard the VR4jr, I own their big brother and feel it does quite well with jazz (which is what I primarily listen two). It just requires that you mate the speakers with an appropriate amp that will flavor them to your liking.
Vandersteen 3A Sig vs. Von Schweikert VR4 Jr.
Ok, I've whittled my list down to the above. However, I have not had a chance to listen to either of these yet (dealers are scarce in my area.) I value the folks' opinions on this site very much and would like some regarding which speaker they'd recommend. I have Marantz SA8260 SACD and PM7200 Integrated. I listen to primarily Jazz and other acoustic music. Thanx in advance.