Hi Sandy
I loved the radian too, one of the best 5wts ever made, Epic 590c is an equal to it, the 690 is it’s big brother, so would be pretty similar in style to the Radian.
I have Demo 370, 476 and 580 glass rods which I send out to people who want to try them out. I don’t have a 6wt demo though, I’m afraid. So if you ever fancy trying one just drop me an email and we can sort that out 👍
I struggle to see past the 476 for dryfly work.
Cheers
Sandy