Some good theories from all of you, really. But in a debate such as this, we need to focus on facts, not opinions. And the fact is that the perfect age is 33. Really. I read this in an article about some scientific study done in Sweden. Link? No, I don’t have a link. I read about it and that’s all that matters. Plus this friend of mine swears he read the same thing in, like, Time or something…
I’d like to point out that Dopers of age 33 are statistically the most likely to make wild claims based on “stuff” they have read or knowledge gained from a friend of a friend. Therefore, these Dopers are automatically disqualified as being of ideal age. This, of course, will change dramatically in the year 2010.
Obviously I am the perfect age. If I was younger, I’d be inexperienced. Older? Well… nope. No good.
The perfect age is someone who is turning 29 in a week and a half.
Well, we’re not all “rotten,” just overly ripe for our age.
I’ll take it as a compliment nonetheless. ::takes a formal and overdone curtsy, making sure not to mess up dress or fall out of said dress, then scurries away::
Proper age? The proper age for any endeavor is:
Old enough to do with with skill, but young enough to still do it with style.
The perfect age is the age you are. (38 here)
::Scratches Swiddles off of the “Statutory Restrictions” List::
Seriously, though, whenever I see that OP, I immediately think “Long enough to reach the ground”. Do the math, kids.
At present: 57. After November, 58.
Old enough to be able to ignore the trolls & assholes; to appreciate the wit and wisdom of other posters both young and old; to be grateful for being past the main event of the battle of the sexes; and to wax nostalgic when the kids talk about the “olden days” back in the '80s.
Don’t remember the source, but it is true that “youth isn’t what it’s cracked up to be.”
bibliophage:
Actually, I was thinking 30 years and 18 days. (Well, I was thinking 30 years and 17 days, but now I’m thinking 30 years and 18 days!) 
…“The sweeter the cherry?”… very bad ssskugiii, get your mind out of the gutter…
Yah!
I’m 25. Take that information, and make up any other information you would like to do what you like.
The absolute completely best age is sixty. For anything, not just posting to the SDMB.
I belive there is no perfect age for anything. For example
Under 16:can’t drive
Under 21:can’t drink legally
21-30:Realize that your 30 and cant remember from 21st till today!
30-45:try to make up lost years from your youth
45+:Start to suffer from all the stupid shit you did in your youth.
55+:start to suffer from all the stupid shit you did trying to make up your youth
60+:try to remember what you did your whole life.
This is all IMHO
Okay, Mr C, sounds like you can cross Mu Mu off that list, too. Way off. 
Tymp, bugger off. Punk kids these days, always sassing back. Why, in MY day we had monochrome monitors and 300 baud modems and we thought we were on top of the world. Kids these days wouldnt . . . <trails off in a senile haze, leaving the computer on and online all night>