I swatted turkey number 30 last spring and nay a one had more than your standard issue single rope. Heaviest weight of a bird I have taken is right at 23 lbs, and hunting in the east, I doubt I'll ever best him by much.
A friend killed a bird that had 6 beards (I think he took it in Kentucky). One real thick rope, with 5 skinny, but all individual beards. Here is a link to the picture.
http://www.turkeyhuntinginc.com/images/6beardedgobbler.bmp
Turkeys with multiple beards seem to be like non-typical bucks, just all depends on genetics. One place might have a ton of them, while a mile down the road you will never seen the first one with two beards.
The easterns in the midwest (IA, IL, OH, MO, etc) seem to weight a heck of a lot more than the easterns around the Atlantic. Probably the colder weather in the winter. Seems like a lot of birds out there average around 22-24lbs with 25+ not being terribly uncommon. In VA, anything over 22 is a monster, most 3 y.o. birds weigh between 18 and 20 lbs.