...Would it help the psychological barrier to have a user friendly "Where is the binary" document/paragraph available and hard to miss that explains why we think even non programmers can and should build this from source?
Not needed IMHO - as Stefano mentions, we won't paint COMPILE NEEDED on the virtual box, but present it more like "the distribution needs to be configured and built in very easy steps before being used".
BTW, isn't jnlp installed by default with 1.4?
It is, says Sun:
"The most recent release of Java Web Start is version 1.2, which is shipped as part of the JavaTM 2 Platform, Standard Edition, v. 1.4.1 (J2SETM 1.4.1). "
- Bertrand