Editor's note: This is an amended version of the original review, following further testing.
The Ubuntu update machine remains locked to its six-monthly cycle, more or less, with the release of Hardy Heron, officially labelled Ubuntu 8.04. With such regular spurts of evolution, there's far more in common with the last version — Gutsy Gibbon (Ubuntu 7.10) — than there is different. 8.04 is a Long Term Support (LTS) release, so parent company Canonical is promising support for three years on desktops and five on servers. The last LTS release was 6.06, nearly two years ago: we are still running that release as a domestic media file server, where it's currently clocked up 150 days of uptime.