I've heard of it and I don't really know what to think. While this could definitely improve things, it's also possible that it won't. We'll know more when we see the results.
Good he's using SDL and not GLUT. GLUT is ew. ALSO! He should build the Win32 build with MSVC rather than MingW. Damn, I need to read that topic and give my input. o.o;
Maybe somebody should put together a better version of the RMXP editor. :V