Once you get up to 6 or 7, the hard cravings will slow down a little bit. You will however find the desire to make sure you have one of each style as well as hunting down the elusive Woodvil.
Of course, each REO needs their own RM2 and then they need backups. Then you want to sand some down to brass, then you need more SS cause now you don't have as many anymore. Then you need more doors and Rob suddenly announces Brass doors so you need a few of these, etched and non-etched then you have too many doors and they need REOs. Then you need more RM2s.
It's a never ending and vicious manic cycle......
<as I repeatedly hit F5 on REOsmods looking for the new link to the Brass doors> Nope...not yet....F5.....nope......