One year ago I made a light called "Bastl" for my bike with 6x Cree Q5 (or small version with 4x Cree Q5 only).
http://mmm.ic.cz/bastl/index.html
Now I bought SSC P7 light from DX (Aurora AK-P7).
http://www.dealextreme.com/details.dx/sku.12624
Later I modified it with Sekonix Col#1 collimator and filters.
http://www.cpfmarketplace.com/mp/showthread.php?t=179650
Here are some beamshots from my testing.
http://mmm.ic.cz/AuroraP7_bastl4Q5_test_home_8s.jpg
Now I can drive with 1400lumen (together 600+800lumen) on my bike ))
http://mmm.ic.cz/bastl/index.html
Now I bought SSC P7 light from DX (Aurora AK-P7).
http://www.dealextreme.com/details.dx/sku.12624
Later I modified it with Sekonix Col#1 collimator and filters.
http://www.cpfmarketplace.com/mp/showthread.php?t=179650
Here are some beamshots from my testing.
http://mmm.ic.cz/AuroraP7_bastl4Q5_test_home_8s.jpg
Now I can drive with 1400lumen (together 600+800lumen) on my bike ))