Just as a little insight into the situation, Guinsoo posted on the US forums and twitter a while ago (since he doesn't post on the EU at all - I might get some of this wrong, but from a collection of tweets and posts, I've found a lot of it out myself) about a few jungle changes/reworks that will be coming in soon.
Edit: Here's a link to some of the stuff caught on his twitter. http://na.leagueoflegends.com/board/attachment.php?attachmentid=223225&d=1310934858

Basically, to sum it up -
1. Reduces effectiveness of counter-jungling
2. Decreases camp respawn times, but...
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