Just to bring back some life into this forum:
If we educate some apes to type into a keyboard ad infinitum, we'd by far sooner get an entertaining novel than any Boltzmannbrain'd pop into existence. The proposed cosmological crisis was a journalistic exaggeration. I'm still reading bdw monthly, but if one really wants to go in-deep on science topics as a layman, Scienceblogs is very useful (and some of the comments over there are better than those of many TV-comedians).
There's still no hard evidence around 'bout ET-visitors, or is there? As far as I know, most reports have been debunked, although I didnt exactly follow the topic during the last few years. I just upgraded my rig to a quadcore with extra GPGPU-power and spend 50% of its calculating capabilities on SETI@home in order not to waste the resources.