Not many, I heard Kennebunk Maine was playing around with Cree RSWs but I don't know how that turned out.
Kennebunk had quite a few Pemco deep-bowl radial wave reproduction fixtures with 50W HPS lamps in them. These were installed in the 1990s primarily on account of the fact that the townspeople did not want new-looking fixtures in certain parts of the town, notably the historical districts. These replaced some really old rusty incandescents (92W, 1000L). The Pemco lights had their starting aids integral with the ballast and started to become a failure problem here and there not long after they were put up. Replacement Pemco heads were installed. Now, 25 years later, I am sure they can tell you that these old lights have done their job and they likely are tired of spending money fixing them! It would make sense to me if they installed something eye-appealing for LED luminaires where the Pemco radial waves were. I have not been up that way in some time so I do not know what is going on.