"TeXPower is a bundle of style and class files for creating dynamic online presentations with LaTeX written by Stephan Lehmke." -> See http://texpower.sourceforge.net/ Tested it only on ppc but should also work on x86 (because it's LaTeX ;-) ).
Created attachment 7389 [details] The ebuild for texpower
Added, marked as unstable until end of freeze.
there is a new version 0.9d :) - and it would be nice to include the documentation