there are a few yes, like the Goths are there and so are the crumpplebottoms
Yes, but you wont have the same characters and neighbourhoods.
Yes.
yes you can have up to 8-9 characters on sims 3 in 1 household.
You Don't.
If you are talking about My sims in wii and DS the the answer is 3+ If your taking about sims 2 or sims 3 the age is 12+
Nope! You still have all the sims you had before!
Yes, its good. to be fair sims 2 and 3 are better, but there is still fun stuff on sims 1. like burning your sims. (wich you can still do on 2 and 3.)
no the sims 3 is still only one player
Yes you can still get married after you are divorced on the Sims 3
Yes, The Sims 3 is still available at most retail outlets, such as Wal-Mart or K-Mart.
The Sims 3 does not have Christmas I'm sorry to say that to you though! =(
I installed sims 3, sims 3 ambitions and sims 3 late night on my probok 4520s and it is still running fine.