Hey dr612
Well, let me put it this way, American antique furniture has never been more affordable than it is to today, dating back 20-30 years or so. There are several reasons for this, demographics for one, the baby boomers are not only a huge population group, they are also the richest in history. You just dont have the numbers today in terms of young collectors and the few that are there dont have the same disposable income. There was a MAJOR BUZZ factor 20 years ago as well, antiques roadshow comes immediately to mind, thats missing today as dealers & auction houses struggle for sales. Additionally, the fact that boomers are retiring at the rate of 10,000 a day and down sizing, theres a flood of material hitting the market as they sell off their collections and move to smaller quarters. Add all of this up and there has never been a better time to collect american antique furniture which is known in the trade as "brown furniture".
And yes, i would say its across the board in terms of style or period, doesnt matter. There are some REALLY GOOD buys today for high quality period pieces. The market was down quite a bit before the 2008 economic crash but since then that market has been really tough.