It seams i asked the question but...
I've been to Freshmeat to download the last version of Tikiwiki.
I saw 1.8.2 TESTING and 1.7.7 STABLE.
As i don't intend to test anything right now but to work right away with Tiki. Should i run for 1.8.2 (wait for 1.8.3) or keep going for no risk 1.7.7 ?