Lawdog,
For some reason, the Remington 600 and 660 has a following in my area among collectors. I personally don't care for laminated wood in any rifle, let alone some of those older Carbines.
I don't buy rifles basically for collecting purposes, I buy them to use. My impression of Remingtons has grown better over the last 20 years or so. I am now at the point where I MAY just buy one. The 673 is one of my considerations at this point. I just didn't know what purpose a short action Ultra Mag was. Short Action and Ultra Mag are almost equal opposites.
Hunting in my area doesn't warrant more than a .30-06, so a .300 WSM wouldn't serve much of a purpose for me. Alot of times a .30-06 would be overkill in these parts. Not much goes on here over 80 yards.
Since I have bought at least one firearm a year for almost 35 years in February, it's time for me to evaluate what is available.
Those oddball calibers seem to be in fashion now. I tend to stick with .308, .30-06, .35 Rem, .243. Stuff like that. Right now I seem to be pulled in the 7mm-08 direction in a CDL, because of the 24" barrel, but that may change.
Sometimes it's hard for me to get away from .308 and .30-06, calibers I have the most respect for.