Not sure how many have noticed, BrainSlayer released the x86 port of dd-wrt last week and has been pretty active in putting out daily builds. I've had some issues getting it up and running from a CF drive, but was able to spend some time playing with it in vmware. Lots of promise and quite fast when not bottlenecked by the wan port on the typical broadcom routers. Concerning wireless there is only support for atheros based cards.
latest x86 builds here
latest x86 builds here
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