Millionshare via eBay offers two HID 35-watt 8000K H7 Xenon Headlight Bulbs, model no. 9006, for $6.85 with free shipping. That's $3 below our mention from a month ago and the lowest total price we've seen. (Outside of other eBay sellers, it's the best deal now by $2.) They feature an 8000K color temperature.
Note: This item ships from Hong Kong and may take up to eight weeks to arrive.