40% off at the W Hotel Store is back using promo code WH4X5, probably valid through end of October only.
This discount comes up frequently (see for instance here, here, here, here, and here). But every time it does it’s worth noting because it really is a great deal, I bought my W Hotel bed (plush top with featherbed) in March of 2007 and I’ve been happy as can be.
40% off makes the price reasonable, shipping is free and they’ll remove your old bed for free as well. And the discount applies to bedding as well, though I personally didn’t choose mine from the W Hotel Store.
If you want automatic notification of the next time this deal pops up you might want to subscribe to this Flyertalk thread for updates.