I have modified q4dm11v1 and q4dm3 to only have 1 light, which is what r_singlelight does.because that looks really oldschool i made a version of q4dm11v1 with two lights (one ambient the other with full options) so it looks better but keep performance high.
so i would like to hear what u guys say, how is the performance difference between 1 and 2 lights and is it too dark ?
I found them ok like that with my gamma settings.

ok here are the files :

q4dm11v1 aka q4a (singlelight) + q4b (2 lights)

http://rapidshare.de/files/6964066/singlelightmap.zip.html

q4dm3 aka dm3 (singlelight)

http://rapidshare.de/files/6967766/dm3sl.pk4.html
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UPDATE :

all dm maps singlelight pack

http://rapidshare.de/files/6982607/fps-mappack.pk4.html

* known issues : lost fleet broken (had no ambientlight at all fixed but not updated)
dm1 not included

ctf maps delayed

next version is in the works and will have unchanged lighting but singlelight will be possible through r_lightdetaillevel command due to giving the lights a detail level (raven didnt done that at all in the maps)

btw. i just assumed lightdetaillevel is not locked in mp...hope it isnt :(