Ametyst
Ya, Eindhoven is certainly on Ryanair's base wish list, but legal restrictions on (weekend) operational hours have not been overcome yet...
Indeed, before choosing Madrid as their latest base, Easyjet were also in negotiations with Lyon.
Ryanair are also in negotiations with Lyon airport at the moment. Whether a base will come of it or not is another question. Lyon's new Marseille-style-super-low-cost terminal is nearing completion...