Mister_Bubble wrote on Jul 15^th, 2010 at 6:13pm:

Quote: Our only negative finding is that it did build up moisture under the fly That means your tent is working as designed.   Ideally, you don't get condensation on the inner tent body - so you and your stuff stay dry. But you can always expect the outer layer to have condensation under it in the right conditions.

Yep.  Stake the fly out good and tight.  It should drip a couple inches away from the edge of the tent, a few inches away from the ground sheet.