alternatively

my PSU gave up today i m planning to get a new one as against my existing mercury psu. plz kindly guide me which is best among the below my selected options for PSU| i am contemplating between CORSAIR CMPSU-430CXV2UK 430 Watts PSU Antec VP450P I 450 Watts PSU Seasonic Eco Series 400W Power...

I know most people here know about GSMArena.com. Does anyone know of any good and reliable site about laptops where you can get as much info about laptops as you get on GSMArena.com about mobiles? I need to compare various laptops across different brands and decide which to buy. Alternatively...