I see Lidl have a few cycling bits on offer next week. Nothing to get excited about but someone may find something. I have a Crivit front lamp similar to the one shown and must say it is very good for what it is. I use it alongside the Cree lamp I use for night riding.
http://www.lidl.co.uk/en/our-offers-2491.htm?id=367
http://www.lidl.co.uk/en/our-offers-2491.htm?id=367