I am a new kid on the block here, I have in my possesion a 1847 Walker, made by Colt, not a clone. It is a limited run by Colt of the original, fun to shoot, but you almost need a tripod with it.
I just ordered a 1858 Remigton .44 cal from Cabelas, at 199.99 + 49.99 for extra cylinder + free...