https://www.store.meeth
Store.Meethue.com has the Philips Hue Iris Wireless LED Lamp for $39.99. Shipping is free on orders $49+ w/ coupon code SHIP4FREE, otherwise shipping is $9.99.
Note, you will need the Philips Hue bridge and install the Philips Hue app in order to use the Philips Hue Iris Wireless LED Lamp.
Credit to user namx for the original post I found on a recent search – I clicked the link tonight out of curiosity and saw that these are back in stock.