Version 1.8 of the PlayStation Vita firmware, as previously announced, enables the playback of PlayStation 1 games on the system for the first time.
The firmware is out now (a 102MB download), and - in our region at least - allows Vita owners to play 128 of the previously released titles, with more to be added over time.
Vita owners in the USA, on the other hand, have access to just nine titles, according to the latest post on the PlayStation Blog (US).
The full list of games available in New Zealand:
Update: Changed article to reflect the fact that the update is available now.