darkside's highest was 128 days, when my stepbrother pressed the power button trying to turn on the other computer.
Currently, though:
iago@slayer:~$ uptime
08:08:05 up 20:42, 1 user, load average: 0.02, 0.06, 0.04
iago@darkside:~$ uptime
08:06:28 up 1 day, 16:47, 1 user, load average: 0.02, 0.01, 0.00
iago@Pie:~$ uptime
08:30:34 up 1 day, 16:37, 1 user, load average: 0.08, 0.02, 0.01
root@roamer:~# uptime
08:09:42 up 7 days, 13:49, 4 users, load average: 0.29, 0.25, 0.27
root@gate:~# uptime
07:51:00 up 97 days, 21:10, 1 user, load average: 0.00, 0.00, 0.00