My thought on Pythons - I own two. They are nicely made, good shooters and pretty to look at. I wouldn't pay more than $1,700 for one, because that's what I think they are worth in 98% condition.
When you start to get in the $2,500+ range, I'd rather have a gently used Korth .357, which IMHO, is nicer than a Python. The bottom line is that there are better and rarer .357's out there than Colt Pythons. At some point, you just have to realize there's a lot of "froth" in the price.