Hi i posted a similar topic a while a go and never got round to finding a cheap DIY alternative, so are these reflectors made by Arcadia really any good? All the spin and info is in the link below
I use a couple of them on my Rio, I have two of those and two Juwel reflectors. I dont think it makes a whole lot of difference which ones you use really although personally I think the Juwel ones look as though they may angle the light down a little better as the Arcadia ones are just rounded on top and the Juwel more angled square to the sides down.
It may make next to no difference though I really am not sure just something that came to mind.
Fixing wise the Arcadia probably win as they can be tilted and shifted where as the Juwel are just fixed in place pretty much.
No probs with them though I would probably buy them again if I needed to.