PC World Oct 2012 has just reviewed Ultrabooks...

Here's the main page

Top choices
Acer Aspire S5......4.5
Vizio C14-A2......4.5
Acer Aspire Timeline Ultra M50581TB-6666......4.0
Asus Zenbook Prime UX31A......4.0
Toshiba Satellite U845-S406......4.0

__________________
2008 X5 4.8i | Wheels: Summer> style 336 20" RFT; Winter> style 214 Ferric Grey 20" RFT | Aero kit | ESS E-Flash tune | V1 | LCI Rear Tail Lights | Coding completed | Engine replaced at 90K