Boy, lots of good reading here.
About value, just got done looking at my Blue Book of Gun Values, the values are all over the place, basically depends on condition, rarity.
It has been my opinion and experience that you can spend a lot more money trying to get an old military 45 up to good shooting condition, better off just purchasing a good quality custom gun, been lots of good names mentioned.
Again I like the Les Bare, the frame is slightly thinner and fit my hand better than the rest, and I've had them all. It feels good and I shoot it well. Let me qualify that I used to. As you get older, I have developed Diabetes, lost a lot of feeling in my hands, my vision has also suffered greatly, not to mention the arthritis in my hands, trigger pull has gone to hell. While still better than most, not nearly what it used to be.
I love single action 45's, don't really care the new modern stuff. I am very comfortable carrying mine lock and cocked.
The guys have given you a lot of good information, before you buy, shoot the crap out of them before you decide, when the gun feels like it's part of your hand and your comfortable it it, buy it.
And lastly, ALWAYS BE SAFE, AT HOME, AT THE RANGE, AND IN THE FIELD.
CigarBum