If the panel is that important, perhaps consider getting yourself an older plane in good condition, and then dropping an avionics upgrade into it. I bought my old Cherokee 180 for $74k with old steam gauges and I've dropped about $45k in avionics upgrades into it. I'll probably drop another $30k for an autopilot and a G3x install, and then I'll have a fully glass panel with excellent IFR capabilities, in a plane I can likely fly for the rest of my life in anything except icing and thunderstorms. It ain't fast, but I'm paying for the pleasure of flying. If I want to get there quickly and reliably, I'll buy an airline ticket.
As an aside, you may be a little overly focused on panels and avionics. A lot of us learned to fly (including instrument ratings) with steam gauges and no GPS at all. There's a lot of satisfaction in mastering a plane without all the fancy whizbang stuff, and a lot of folks fly with old panels and an iPad for the fancy moving map. There's probably more than a few posters around here who aren't entirely convinced that you need anything in the plane beyond a watch and a compass to adequately fly and navigate a plane.