I've created an "offline" version of my J2ME/Web helper application and left a copy at:

http://vlchung.freeshell.org/mapMe_view.html

(Firefox, Opera only) so everyone can see what it can do. It has been "hardwired" to display all the data I collected during my South Lake Survey. I'd be interested in hearing what people had to say about the concept - if there is interest, I'll take it further, otherwise I'll probably just use it myself when I do on-foot surveys.