Buying a '66 Small Window

[BAT]

Until recently I have been a 67 - 72 guy but I have recently gotten the urge to delve in to the previous generation. I just came across a "barn find" 66, all original, solid floors minimal rust, still has factory cover plate over radio opening, motor turns over, just an all around straight truck and at a price you would not believe if I told you. My question is that it has a small window, does that make it any more or less desirable? I have seen where several have changed over from small to large but personally I think the small window is somewhat unique.

Any thoughts on small windows? Also what is the range value wise on it?