My boss has asked me to get him a new laptop. He currently has a Toshiba Portage R600.

Not a Mac
Must be quiet
13-14" screen size
Must have a cd/dvd writer
Decent battery life 4 hours plus (travels alot planes etc)
i5 or i7 non of this Atom rubbish (will run Matlab and SAS)
Under £2000
Under 2kg

any advice welcome