Another day....another build.
BS Build 14289
Big: DD-WRT for WNR3500L v24 K2.6 svn14289 Big, in BIN format for upgrade from previous DD-WRT installation.
http://www.dd-wrt.com/dd-wrtv2/downloads/others/eko/BrainSlayer-V24-preS...
Mini: DD-WRT for WNR3500L v24 K2.6 svn14289 mini, in CHK format, for upgrade from standard NETGEAR firmware.
http://www.dd-wrt.com/dd-wrtv2/downloads/others/eko/BrainSlayer-V24-preS...
I've just installed this particular version on my new 3500L. It works a charm (though I'll admit I'm mostly using the basic features) and I had no problems replacing the stock firmware.
Much, much, more stable than the stock v24 on my old G125.