Hey I'm looking for recommendations for reflectors and/or optics for the cree Q5. I got two from deal xtreme and would ideally like to run 2 headlights with 1 cree each. Thanks for any advice you might have.

You should ask at candlepowerforums.com in the subforum on bicycles in the transportation lighting section.

Look at the "crystal" optics at kaidomain. Nice and cheap, 10 for 10$ or a couple of bucks individually.

I own several LED's here. Luxeon III, Seoul P4 U-bin, and Cree Q5.

I also own a few optics. My optics are 5, 15, 25, 5 x 20 degree lenses for the Lux III/Lux V/Seoul by L2 Optics.

The reflectors I own are the smooth and orange peel one from DX. The DX reflectors have a nice throw to them with nice useable light spill. Those reflectors are ~$2.80ish a piece. Normally in stock. The those reflectors are ~18mm so if you make a cube light they can fit into the small profile. The reflectors only work with Cree's.

best optics for power LED's from DX and kaidomain are here.
http://www.luxeonstar.com/category.php?id=121&link_str=121
make sure you order optics for Lambertian LED style optic domes. Thats the only style available from DX and kaidomain. These optics are rated at least 85% efficient and have sharp pattern cutoff so no light wasting spill. These optics sandwich the LED between the optic base and heat sink. Instructions detail melting the 4 optic legs to keep everything held in place. I did not want to do that as I wanted the option to upgrade to new and brighter power LED's as they became available. I found just putting hot glue around the optic legs while keeping pressure between the optic and heat sink until the hot glue is solid works just fine and the glue is easily peeled off for swapping out Star mounted LED's. I just upgraded from SSC P4 LED's to Cree XR-E LED's for a slight upgrade in light output from my dual LED headlight. I used one 10 degree narrow optic and one 15X30 Elliptical Beam optic. I know some one will whine about this photo but here goes anyway.
http://i143.photobucket.com/albums/r154/n4zou/light.jpg
The 10 degree optic on the left provides a very bright tight beam lighting up the road in front of the bike. The 15X30 beam illuminates the sides and provides light a couple of degrees higher then the 10 degree beam to illuminate signs and reflectors at a distance as well as the sides of the road, it also adds more light to the 10 degree beam doubling it's light on the road. I use a dynamo to power them so no batteries are required. Also check Martins bicycle lights project page here.
http://pilom.com/BicycleElectronics/BicycleElectronics.htm