Comparing computers on sale this week need some advice...Please?

I personally wouldn't get any of those. The first thing I look for in a computer is a good processor. I searched until I found a good deal on my Core2Duo laptop. Core2Duo is a really good processor in efficiency, speed, and reliability. Second to that, RAM standard these days is around 4 gigs, especially with a Core 2 Duo. I say, spend a bit of extra cash, get a good long lasting laptop. I bought mine for 650 last year, so the same specs should be cheaper now. My computer is still better than so many new laptops out there. And with these specs, usually you won't get anything less than Home Premium. Good luck =)