There's a very interesting guest post on ZeroHedge about the sentiment on gold. It could mean that Gold is getting ready for another up leg. Normally, summer is a bad time to hold onto gold, as it's statistically a calm or even declining period for gold. So maybe end of Summer might be the best time, specially if a decline has occurred in the mean time?
Here are the two charts from the post, which I find particularly interesting (click for bigger image):