I saw this thread because I'd recently "joined" Quibids and wanted to see what opinions there were out there on it. I don't think it's a scam, but it is, essentially, a gambling site. Sort of.
The scenario that TwoSocEmBoppers lays out is exactly correct. While it is possible to get very good deals (again, assuming the website isn't lying) on some desirable items, in general it appears you should go in with the assumption that you'll save some money, but won't walk away with a $35 MacBook Pro.
Certainly it happens - and when it does I wonder if it's been "artificially" allowed by cutting off other bids so they have these super low-cost items, or if it's just that everyone is playing a game of chicken on the bids and nobody beat the clock.
Going back to the iPod Touch example. If it's at $26.00 and the counter is clicking down and there are 12 bidders working the item, the 11 bidders that aren't the current highest bidder don't want to "waste" a $.60 bid if someone else is going to jump in, so they wait to the last second to drop in the bid. What then happens is that either many jump in at the last second, and there are 4 or 5 bids at once, or no one jumps in, hoping someone else will, and the last bidder gets it at $26.00.
It's somewhat like going to a casino and playing a slot machine for 10 minutes, pumping in coins and not winning anything, then leave and the next guy drops his first quarter in and walks away with "your" jackpot. The one difference is that if you're bidding on an item and decide after you've lost the auction that you want to buy the product outright, you can do so by applying your bid cost to the item. So you haven't lost your bids, but you also haven't received any discount on the product. And you've wasted hours of time. I'd imagine this happens maybe 2-3% of the time at most; the rest are bids that go straight to Quibids' bottom line.
I've been watching it for the past 2 days and it is obvious to see that what happens is that no one wants somebody to get a $10 laptop, so they keep bidding and bidding, when in reality there many laptops, iPads, iPods, etc., every day (or at least every week), so it's better to bide your time and find one more "ripe" for getting at a reduced rate, I'd think.
We got a couple of smaller, hence "less desirable" items for $.04 and $.06 (plus the bids and shipping, so total of under $10), so certainly saved money on a couple of holiday gifts. Overall, it's an interesting model, but not for everyone, especially if you don't have time to watch the auctions (one MacBook Pro was auctioning in earnest for about 12 hours) or if you're solely trying to get super cheap goods.
If, however, you're willing to bet some money (bids) that you'll get a good deal, and can live with losing that money completely (a la the casino) then you may have fun with "the chase".