I disagree here: It is cheaper, but you can't sell it 2-3 years later for anything other than a couple hundred bucks. You can CL a used MBP for a considerable

I disagree here: It is cheaper, but you can't sell it 2-3 years later for anything other than a couple hundred bucks. You can CL a used MBP for a considerable portion of it's purchase price 2-4 years later. If you're unwilling to sell your old MBP, the Dell may very well be a better deal.