I did the exact same thing as Nubo, added fiber to my Real Deal. IMO there simply isn't a better made hunting sight than the Spot-Hogg Line and I have everything from Extremes to Sure Locs and Copper Johns etc. in pin sights.
Probably in reality you really only need to add extended fiber to the top pin as you most likely won't be shooting beyond it's capabilities by the time the others wink out. a single bright pin will also allow you to see BEYOND the pins better in low light and reduce any confusion.
Just pick the only one glowing and shoot.
I do admit that it's nice to look at the Spot Hogg now though with all those pretty bright colors.