I have Dell Vostro 860, I have it since last December and I like it very much, I had one in the past,a Dell again but it made 12 years and I thought it had enough and took a new one which I am happy to use it.
I have an Acer Netbook 1,66ghz 10 inch LCD upgraded to 2 gig ram changed HD to 160 gig. I bought one year ago its brand new for $220 in Dubai. It works fine except for the battery it now runs out pretty quick.
The sony vaio is a goot notebook and I did look at those when buying my new one, but went with the HP Pavilion dv4t. I am happy with my choice. I have had Dell's most of my life and just not happy with Dell at all personally.