Linux can boot to usable point in 3-5 seconds (Score 1)

I guess there's not much posted yet, but Arjan and Auke presented at the Linux Plumbers Conference this past week and demo'd a not massively modified linux booting to fully usable (all the way to X even) in 5 seconds. Discussions and hacking at the conference apparently trimmed an additional second or two off that. There was a lot of excitement, so I'd expect to see their mods making it upstream into the kernel, distros and X.