I would be really interested in seeing the figures on common LED fixtures or even single LED stars put into more common terms than the link provided for the led lighting compedium. The charts Hoppy has created for the different lights and brands is easily understood.
OK, I just spent most of the day making a chart as you requested. It is best used just to help filter out the LED lights that won't work for you. Once you do that you can do more research on those that look like they might work. See the first post for the chart.