See changes and download new kernels... http://totalnerdity.com/sf/
Grab the latest source code... http://github.com/geeknikbrian/
I try and answer all of the questions I get if I have time.. You can find me in #samsung-fascinate on irc.FreeNode.net. =)
Latest Stable version is v1.54. Latest Test version is 1.76. You can grab these from ROM Manager too!