1) Ok it's true that nvidia and ATI don't have the same socket.
2) My CDROM drive and my multimedia drive SD-MD is USB
3) Yes I made a mistake for ethernet device 1Gbps :? 'euh'
4)They are some space in my latop ( I've already disassembled It twice to clean the dust ).It's because of the standarisation of there main board and the box see ASPIRE 1510 to 1515
PS: It's true that it's more a transportable computer than an autonome one 30min up to 1h on batery. (ACER ASPIRE 1513LMI).I live in 3 towns, I'm not gonna buy 3 computers.
It's complete computer I have a 7200rpm hrd disque ,and over 1Go of ram. I can play My favorite game CSS, warcarft3.