+1 for apple, just installed my 8GB of RAM on my MBP… loving every minute of it 
I have been pretty happy with it. I love how portable it is and how light. Also like that I can use it all day and not have to lug around my charger.
Only problem is still learning about all the shortcuts since there is a command key and also not just switching between applications but switching between windows inside applications but overall, I am happy with it.
Had two come in today…both sizes actually. Wasn’t overly impressed with the weight, bout the same as your average netbook. Very slim however.