Take a look at this website:
http://www.independent.co.uk/news/p...ublicity-stunt-leaves-him-hungry-9930135.html
My two-month-old MacBook 'Pro' is having enormous trouble. It's choppy, scrolling slowly, then fast, then stopping.
It's rubbish. It's no better than my three year old MacBook Air.
And don't get me started on PDFs.
My 5-year-old MacBook Pro handles that page just fine.