Yup, you can easily get gen 2 Radions for around 400 bucks each, I was selling mine but I took it back since I needed it for another tank. The nice thing is since the gen 3s are coming out, die hard Ecotech fans will be selling their previous set ups and as used market quantities goes up pricing will only go down!
The gen 2s have a nice crisp blue to it, I really like how it looks, if you have 2 it should cover most of the hard shadows generated by the fixtures.