The sony vaio comes in a big display range of 15.4 inches of lcd screen but thi laptop is mainly on pentium 4 processorwith graphics card and 512 mb ram cache.Buyng this laptop is mainly for small network purpose only because of 60 gb hard drive and 512 mb ram.anyway if you want to use for more other purposes then upgrade and use.for the longer duration it can be run upto 5 hours.everybody thinks on company but not on the product for their needs.If you want to know which product you need for your purpose then please ask we can try give an answer for your needs.
the sony nr 460 small list of components just for specifications read below
Processor Intel Pentium Dual Core T2390 / 1.86 GHz
Ram 512 mb can be upgraded upto 2gm in one slot
cache memory 1mb
hard drive 60 gb to 200 gb hard drive
optical device dvd ram driver for read and write
card reader sd memory
sound high definition audio
operating system windows vista premium
power can be used AC also
warranty 1 year on site from manufacturer