I've just found the Serfas usl-tl60 - it looks great. It LOOKS to be in the Dinotte realm - probably not as bright but plenty damned bright and extremely durable, for $60. I've got one coming.
I still like the Knog but I agree that its mounting sucks and will probably break after a fairly short amount of time. I can't really recommend something that's probably not going to last at least a few years of continuous use.
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Work: the 8 hours that separates bike rides.