OK so i just skim read through this thread so forgive me if this has already been pointed.
I think these MS ads are quite good in getting a point across. Basically not everyone has a lot of money to spend on getting a computer especially with the financial problems the world is having so when they do go and buy one they want to get the most out of their money. The average person might not know what RAM does but they might know/think that more is better. The average person won't know the proclaimed benefits of Mac OSX. The average person goes "oh a Video editor uses that laptop I bet it would be good for me." So what everyone hear needs to remember is that these ads aren't directed at tech savvy people who know about these things but they are directed at people who are short of cash, want the best "specs" with out knowing what is actually better and who don't know much about computers.
So before going "oh why did she buy the HP with 4gigs of ram compared to the Macbook with 2gig when vista drains ram?" or " why did she pick the Hp that cant run final cut" just remember who the ads are aimed at.
Well, I also only read the last couple of pages of comments here... but here goes... I have to kind of disagree with you about Microsoft being good at getting a point across... I think they're really blowing smoke at their target audience - but I will agree with one thing you said - that they do know their intended audience... which is a sad commentary by itself.
My comment on the most recent "Sheila the filmmaker" MS ad:
It's almost painful to watch... painful in a guilty pleasure sort of way, like watching a train wreck. It's kind of sad that MS is targeting ignorant people (their intended cutomers) by portraying other ignorant people in their commercials buying computers. The 'buyers' all seem to want some generic similar benefit (fast processor, comfortable keyboard, big screen, something that can "cut video" or maybe run a word processor, or play games, or play DVD movies... or some other inane benefit, which is played up as somehow a deal-maker or deal-breaker to the ignorant target audience.) So, now MS is bracketing them in different price ranges... still comparing them to Macs - in every single commercial a Macbook or Macbook Pro get's fondled briefly, then dismissed for some completely ridiculous reason. Perpetuating the anti-Mac myths is always part of these commercials, which also shows MS is targeting the ignorant. It's really sad, and more of an indictment of MS for failure to truly respect their own potential customers. Who are they fooling? Really? Some people, of course, but it's not that hard to recognize snake-oil sales techniques when you see them. Hey, if the intended customer doesn't know any better, all the better for the slick sales techniques, (i.e. manipulation of the potential customer with just barely enough truth to allow a big dose of untruth to slide by, or go down without protest.)
Sheila: "Is this graphic card going to be powerful...?"
Retail Fry's guy: "Uhmm hmm!"
(there's an implied 'you betcha!' right there, but never truly stated what that means... Boy, that would make me feel happy if I were shopping video editing hardware... I suppose. <~ironic sarcasm~>)
Sheila: "Wow!"
(clearly from an edit....err, I mean video 'cut'.)
Sheila: "Will it comfort me and make me feel all tingly late at night?"
Retail Fry's guy: "Uhh hmmm! Sure! It'll do whatever you want." (immediately looks away)
Sheila: "Oh.., wow! Wow!" (closes her eyes momentarily, shudders)
"I think I'm buying this computer! No! Wait! I AM buying this computer..."
(Whew! Glad we finally got that figured out. The suspense and drama was just approaching intolerable levels. I can now sleep easy knowing the answer to the big question; what particular brand of PC laptop would be featured in this little version of "Computer Buying For Dummies" non-reality show.