For sale on eBay, lovely Buffalo 'Superbag' sleeping bag. It's a bit of a beast in terms of weight (2.4kg), but pretty unique bit of kit. Not for everyone or every occasion, but thought it may be of interest to some folks on here.
http://r.ebay.com/MVWqez - auction ends on Sun the 29th.
More details/spec etc:
http://www.buffalosystems.co.uk/products/superbag/
Any questions, please ask them on the eBay page so other buyers can get the benefit of the answers. Thanks.