Yes, I bought a new desktop computer recently. I was surprised to find that the price parity with Newegg and others I've become used to (so much so that I'd stopped comparison shopping until I was looking at a $1700 purchase) was no longer in effect. Newegg saved me more than $200. Mostly due to buying multiple high end video cards which were much more expensive at Amazon.

Though it took almost two weeks to receive my order, despite having ShopRunner (which theoretically competes with Amazon Prime, which I also have) and the few things I did order from Amazon arrived in two days, as expected. Given that, I may not order from Newegg again...certainly not for anything I need quickly. Though, I suspect this was a one time phenomenon based on high demand (I ordered sometime around Black Friday, though it wasn't on Black Friday or Cyber Monday).

My love of Amazon runs pretty deep, but it's starting to fade. I'm also pretty unhappy with AWS lately. The sluggishness of EC2 vs other virtual systems in similar price range is pretty severe, so even if the infrastructure and capabilities are much greater at Amazon, the ability to fire up a server and blast off with lots of users cheaply is not always as good as the competition.