I've 'joined' just to be able to see their sales - all you do is set up an account and get their emails periodically - but haven't bought anything yet. They're kinda like Gilt flash sales or a Groupon Goods offer - stuff is available for a short time only, and from what I understand, the long shipping time is because they wait until each category of sale has ended, and then order everything from their suppliers at once. Thus the lower prices. Unfortunately, it seems like almost everything (maybe everything at all) is no returns, final sale, which I'm open for with known brands for other stuff, but less so for clothes and shoes, which always vary a little in fit.