I've read over several of the reviews of the Haggle.com website and have to say that I can see all sides of the feedback.
I personally won a 64gb IPod Touch for $22.60 and was absolutely skeptical until I recieved it as advertised 8 business days after winning the auction. The item was brand new and shipped directly from Best Buy with unopened packaging.
While I can certainly see why people are upset about not winning an auction and would think there are "inside bidders", there is no proof of this and it's part of the risk you take in any auction.
I will not be bidding on other items simply because I don't want to purchase more bids and really don't need anything else at this time. If in the future I am looking for competitive pricing on a laptop or other electronics, I would consider revisiting the site with the anticipation that I will have to spend money that may not reap a reward.
Not a sermon, just a thought!