That's really interesting, because Woot is owned by Amazon...
For around the first year after Amazon bought them, Woot specials were pretty consistently a great deal compared to the same product at Amazon. For the last few years, Woot has become like anything else on Amazon. Just like Amazon Daily Deals or whatever, they make it look like some great 50% off deal, but when you check the price history, you find it's more like a 5% discount, if that.
You can still find good deals on Woot and with Amazon Daily Deals, but you can no longer safely assume that they are in fact good deals. I don't buy anything Amazon related anymore without first researching that it is in fact a good deal and that it is not a knock-off.