[align=center]MacBook Pro - 13,3" - 4GB RAM - 2,56 Ghz Dual Core - Mac OS Snow Leopard
ideapad U450p - 14" - 4GB RAM - Intel 1,3Ghz Dual - Windows 7 64bit
T43 - 15" - 2GB RAM - Pentium M 1,6 Ghz - Windows XP Pro
Sony VAIO VPC-F11S1E/B - 16,4" - 6GB RAM - Intel Core i7 1,6Ghz - Windows 7 64bit
[/align]