I can give you info for 2 different trips, and a 3rd I'm planning, even though at this stage it's just a pipe-dream...
2010 - total cost, including airfare, dining, 7 nights at hotel, 7 day PH:
$3,313.90
Deluxe or Moderate (which resort)
Deluxe - Wilderness Lodge
number of people including age
2 adults, 1 kid (6 years old)
Fly or drive
fly
Length of stay Fri to Fri,
7 nights, 8 days
dining plan or out of pocket
dining plan
Promotions I don't remember what it was called - something like Stay 7 nights for the price of 4 or
Buy 4 nights, get 3 free?
2012 total cost, including airfare, dining, 8 nights at hotel, 8 day PH:
$4,211.21
Deluxe or Moderate (which resort)
Deluxe - Wilderness Lodge
number of people including age
2 adults, 1 kid (8 years old)
Fly or drive
fly - airfare alone was $454.20 through Southwest (booked by me on a KILLER sale - something like $65 each way - and they were non-stop!, and because of southwest, checked bags for free!)
Length of stay
9 days/8 nights
dining plan or out of pocket
dining plan included (we started our vacation a day early to catch
free dining!)
Promotions -
free dining.
2014
Full price: 4,938.50 + air
30% off room only: 4,180.48 + air (savings of 758.02)
Stay, Play, Dine: 4,042.62 + air (savings of 895.88)
Free Dining: 3,706.64 + air (savings of 1,231.86)
Deluxe or Moderate (which resort) Deluxe - Wilderness Lodge - Woods view
number of people including age
3 Disney adults (2 adults, 1 kid, aged 10)
Fly or drive
fly - airfare is going to be about $152/person each way, which totals out to 911.40, which is about double what it was last trip. Hopefully, I can catch a better sale between now and then if we book it.
Length of stay
8 days/7 nights
dining plan or out of pocket
dining plan! I love not having to think about it once we're there!
Promotions -
I've priced out full price rack rates, plus 3 possible scenarios, based on educated guesses since promos aren't out for this time period yet: 30% off room (and I've priced out 35% and 40%, but 30 seems most likely), the "Stay, Play, Dine" promo, where adults pay kid prices on park tickets and dining plan, and Free Dining. I'm guessing the announcement for this time period will be out in the next few weeks.
Not that I'm obsessively checking at least twice a day or anything. Only a crazy person would do that, and I'm not crazy 
.