For in and around the cockpit I use a Fujitsu P2010 A5 sized notebook, and I am thinking about upgrading to the JVC 741 interlink. (
www.dynamism.com)
But most users prefer the Motion Computing tablet, with daylight viewable screen. But that is 12" in size, and I already have an MFD in my plane. (
www.motioncomputing.com )
S.