Quoted from vid1900:I keep all the #47s for lighting backglasses (LEDs look terrible for this), and the #44s I give away at shows.
LEDs can look brilliant on backglasses. I use the 4-LED ones with no dome - they spread great so there are no hotspots. You don't even have to use all the sockets. I end up leaving 1/3 of them blank. Also - temperature match. Cool white works better on some, warm on others, mix on others. For instance - on BK2K I have warms behind the red and yellow colors and cools behind the blue areas. On TOM it's mostly warm but with cools behind the cards, bunny & saw. Here are some examples: